This individual study guide draws directly from the sermon “Showcase - 12:30pm Sunday Service | Live from Rossview” so you can keep engaging with the message all week. Read, reflect, and share it with your small group or friends.
In-Depth Bible Study Guide
A Closer Walk with the Holy Spirit
Primary Texts: Romans 8:16–17; Galatians 5:16; James 4:8; John 16:7–15
1. Introduction & Overview
This sermon concludes a month-long series on the person and power of the Holy Spirit, bringing together the theological threads woven throughout the series into a single, practical vision: the Christian life is not primarily about accumulating knowledge about God but about walking with God — specifically, with the Holy Spirit who dwells within every believer. Drawing on Romans 8:16–17, Galatians 5:16, James 4:8, and John 16, the pastor makes the case that the Holy Spirit desires genuine, daily relationship with the believer — a relationship marked by walking together, speaking and listening, conviction, and the danger of mishandling what God has given.
Key Passages: Romans 8:16–17; Galatians 5:16; James 4:8; John 16:7–15; Luke 3–4; 2 Timothy 3
Study Objectives: By the end of this study, the learner will be able to (1) understand the New Testament's relational language for the Holy Spirit and its theological grounding, (2) trace the biblical theme of "walking with God" from Genesis through the New Testament, (3) engage the interpretive debate about whether and how the Spirit speaks today, and (4) identify concrete practices for cultivating daily life with the Spirit.
Estimated Study Time: 2.5–3 hours
Why This Matters: The doctrine of the Holy Spirit (pneumatology) is simultaneously one of the most personally relevant and most misunderstood areas of Christian theology. Serious engagement with the primary texts lifts this conversation out of mere experience-sharing and grounds it in the apostolic witness. This guide builds directly on the sermon's framework while expanding into areas of word study, historical background, and interpretive debate that time constraints prevented the pastor from addressing.
2. Exegetical Analysis
Romans 8:16–17 — The Spirit's Witness and Our Adoption
Romans 8 stands at the theological center of Paul's letter to Rome — arguably the most systematically developed letter in the New Testament. Chapters 1–7 establish humanity's plight under sin and the law; chapter 8 is the great pneumatological answer. The chapter opens with "no condemnation" (v. 1) and ends with "no separation" (v. 39), and the Holy Spirit is the agent holding that entire arc together.
"The Spirit himself bears witness with our spirit that we are children of God, and if children, then heirs — heirs of God and fellow heirs with Christ, provided we suffer with him in order that we may also be glorified with him." (Romans 8:16–17, ESV)
Literary Structure: Verse 16 is a participial clause reinforcing v. 15, where Paul has already introduced the "Spirit of adoption" (pneuma huiothesias) by whom we cry "Abba! Father!" Verse 17 draws out the legal and covenantal consequence: adoption means heirship. Paul's argument is both judicial (adoption) and relational (Abba-cry).
Key Observation: The phrase "bears witness with our spirit" uses the Greek preposition syn (with), indicating a co-witness — not the Spirit testifying to us from outside, but the Spirit bearing witness alongside our own spirit in a mutual, internal confirmation. This is not merely subjective feeling; it is the Spirit's own testimony aligning with the believer's renewed spirit.
Heirship Language: Paul uses the legal category of Roman adoption (huiothesia) — a practice whereby an adopted son received full legal standing, all rights of a natural son, and was legally freed from any prior debts or obligations. For Gentile readers in Rome, this would have been vivid and immediately comprehensible.
Galatians 5:16 — Walking by the Spirit
"But I say, walk by the Spirit, and you will not gratify the desires of the flesh." (Galatians 5:16, ESV)
This verse arrives near the end of Paul's impassioned argument against the Judaizers — those who insisted Gentile converts must observe Torah to be fully Christian. Chapters 3–4 make the theological case for freedom in Christ; chapter 5 makes the ethical case: this freedom is not license but Spirit-directed living.
Literary Structure: The imperative "walk" (peripateite) is present tense and active — indicating ongoing, habitual action. The result clause ("you will not gratify") is a strong future negative (ou mē), one of the strongest negations in Greek. Paul is not merely suggesting that Spirit-walking helps with temptation; he is asserting that it categorically forecloses the full satisfaction of fleshly desire.
The Flesh/Spirit Contrast: The "flesh" (sarx) in Galatians is not the physical body per se but the self-directed, God-excluding orientation of fallen human nature. Paul is not promoting body-soul dualism; he is describing two modes of existence — one oriented toward self and the age that is passing, one oriented toward God and the age to come.
James 4:8 — Drawing Near to God
"Draw near to God, and he will draw near to you." (James 4:8a, ESV)
James 4:1–10 addresses the community conflict arising from worldliness and misplaced desire. James accuses his readers of "friendship with the world" (v. 4), which constitutes spiritual adultery — a metaphor with deep Old Testament roots (Hosea, Jeremiah, Ezekiel). The "jealousy" of God in v. 5 is the divine passion for covenant fidelity. Verse 8 is the pivot: the solution to worldliness is not mere moral reform but renewed proximity to God.
Conditional Structure: The verse is structured as a divine promise contingent on human initiative — not because God is passive, but because the relational metaphor requires a response. God has already "drawn near" in Christ; James calls believers to reciprocate that nearness.
3. Historical & Cultural Context
The Roman World and Adoption (Huiothesia)
When Paul uses adoption language in Romans 8:15–17, he is drawing on a practice that would have resonated powerfully with his Roman readers. Roman adoption (adoptio or adrogatio) was a formal legal procedure by which a person — often an adult — was brought into a new family with complete legal standing. The adopted person's previous debts were cancelled, previous family obligations were severed, and the adoptee received full inheritance rights alongside natural children. The Emperor Augustus himself was adopted by Julius Caesar, lending the practice enormous cultural visibility.
For Paul's Jewish readers, adoption language also carried covenantal weight. Israel was called God's "son" (Exodus 4:22; Hosea 11:1), and the expectation of a restored relationship between God and his people — as children, not merely subjects — was deeply embedded in prophetic hope (Isaiah 43:6; Jeremiah 31:9).
The Galatian Crisis and the Judaizers
The churches of Galatia (modern central Turkey) were founded by Paul on his first missionary journey (Acts 13–14) among a mixed population of diaspora Jews, God-fearers, and Gentile pagans. After Paul's departure, a group of Jewish-Christian teachers — whom Paul calls "agitators" (hoi tarassontes, Galatians 1:7; 5:12) — arrived insisting that Gentile believers must be circumcised and observe Torah to be fully incorporated into the covenant people of God.
Paul's response is visceral and urgent. He sees this not as a minor theological adjustment but as a fundamental distortion of the gospel — a return to the stoicheia, the "elemental principles" or "basic forces" (Galatians 4:3, 9) of a pre-Christ religious world. The Spirit-versus-flesh contrast in Galatians 5 is Paul's way of saying: the old age of law-keeping and flesh-effort is over; the new age of Spirit-walking has arrived.
James and the Jewish-Christian Community
The letter of James is addressed to "the twelve tribes in the Dispersion" (James 1:1) — Jewish Christians scattered throughout the Roman world. James writes in the tradition of Jewish wisdom literature (Proverbs, Sirach, the Wisdom of Solomon) and draws heavily on Old Testament prophetic vocabulary, particularly the prophets' use of "adultery" as a metaphor for covenant unfaithfulness. The call to "draw near" in James 4:8 echoes the priestly language of approaching God in the temple (Leviticus 16; Psalm 73:28), now democratized for all believers through the Spirit.
4. Word Studies
"Bears Witness" (Greek: summarturei, συμμαρτυρεῖ)
- Meaning: To testify together with, to co-witness, to confirm jointly. The syn- prefix is crucial — it is not merely the Spirit testifying to us but with us, alongside our own spirit in mutual confirmation.
- Etymology: From syn (with, together) + martyreō (to witness, to testify). The root martyreō gives us the English word "martyr" — one who witnesses to the point of death.
- Biblical Usage: The compound summarturei appears three times in the New Testament: Romans 2:15 (conscience bearing witness), Romans 8:16 (the Spirit bearing witness), and Romans 9:1 (Paul's conscience bearing witness). The pattern suggests an internal, Spirit-shaped moral and spiritual faculty.
- Theological Significance: This co-witness is the basis of assurance of salvation. It is not merely emotional feeling but the Spirit's own testimony aligning with the believer's renewed inner life — what theologians call the testimonium Spiritus Sancti internum (the internal testimony of the Holy Spirit), a phrase associated with John Calvin's Institutes (I.7.4).
"Walk" (Greek: peripateō, περιπατέω)
- Meaning: Literally, "to walk around" or "to conduct one's life." In the New Testament epistles, it becomes a standard metaphor for one's manner of life and ethical conduct.
- Etymology: From peri (around) + pateō (to walk, to tread). The term was used in everyday Greek for physical walking but was adopted by Paul as his primary metaphor for the Christian way of life.
- Biblical Usage: Paul uses peripateō with striking frequency as an ethical term: "walk in newness of life" (Romans 6:4), "walk by faith, not by sight" (2 Corinthians 5:7), "walk in love" (Ephesians 5:2), "walk in a manner worthy of the calling" (Ephesians 4:1). In Galatians 5:16, 25, he uses both peripateō and the related stoicheō (to march in line, to keep in step) for Spirit-directed living.
- Theological Significance: The walking metaphor implies direction, pace, companionship, and sustained movement — not a one-time decision but an ongoing, directional life. It also echoes the Hebrew concept of halakha (from halak, "to walk"), the Jewish understanding of Torah as a "way of walking" through life. Paul is saying the Spirit replaces Torah as the believer's guiding companion.
"Abide / Dwell" (Greek: menō, μένω)
- Meaning: To remain, to stay, to take up permanent residence. The pastor used "abide" throughout the sermon; this is the Greek term behind that concept.
- Etymology: A common Greek verb for remaining in a place, staying put, persisting. In the Septuagint (Greek Old Testament), it often translates yāšab (to dwell, to sit, to remain).
- Biblical Usage: Menō appears 40 times in John's Gospel alone and 27 times in 1 John — it is one of John's signature theological terms. "Abide in me and I in you" (John 15:4); "If you abide in my word, you are truly my disciples" (John 8:31); "The one who abides in love abides in God, and God abides in him" (1 John 4:16).
- Theological Significance: The mutuality of menō — God abiding in us and we in God — is the New Testament's way of expressing the permanent, indwelling presence of the Spirit. It is not a temporary visit but a taking up of residence. The pastor's illustration of coming home and kicking off your shoes captures this beautifully: the Spirit is not a guest but an inhabitant.
"Convict" (Greek: elenchō, ἐλέγχω)
- Meaning: To expose, to bring to light, to convict, to reprove. It carries legal connotations of cross-examination that brings hidden things into the open.
- Etymology: Used in classical Greek for the Socratic method of cross-examination (elenchus) — the process of questioning that exposes the weakness of an argument or the inconsistency of a position.
- Biblical Usage: John 16:8 uses elenchō for the Spirit's work of conviction. Ephesians 5:11 commands believers to "expose" (elenchō) works of darkness. Hebrews 12:5 uses the related noun for the Lord's "reproof" of his children. Titus 1:9 uses it for the elder's task of refuting false teaching.
- Theological Significance: The Spirit's conviction is not condemnation (katakrisis) but exposure — bringing sin, righteousness, and judgment into the light so that the person can respond. This distinction, which the pastor made pastorally, is exegetically grounded in the word itself.
"Children / Sons" (Greek: tekna and huioi, τέκνα / υἱοί)
- Meaning: Tekna (children, offspring) emphasizes birth and biological relationship; huioi (sons) emphasizes legal standing, maturity, and inheritance rights.
- Biblical Usage: Romans 8:16 uses tekna (children of God) while v. 14 uses huioi (sons of God led by the Spirit). Paul seems to use both terms in proximity to emphasize both the intimacy of the relationship (we are genuinely born into God's family) and the legal standing it confers (we have full inheritance rights).
- Theological Significance: This dual language guards against two errors: the error of thinking our relationship with God is merely legal and transactional (corrected by tekna), and the error of thinking it is merely emotional with no objective standing (corrected by huioi and the adoption/heir language).
5. Cross-References & Biblical Theology
The Scripture Web
Genesis 3:8 — "And they heard the sound of the LORD God walking in the garden in the cool of the day." The original design was God walking with humanity. The Fall shattered this. The entire biblical narrative is the story of God restoring what was lost — culminating in the Spirit dwelling within believers rather than merely with them.
Genesis 5:22–24 — "Enoch walked with God, and he was not, for God took him." The repeated phrase "walked with God" (hithallēk 'et-hā'ĕlōhîm) is the Old Testament's highest commendation of a human life. The sermon's title and theme echo this ancient ideal.
Micah 6:8 — "What does the LORD require of you but to do justice, and to love kindness, and to walk humbly with your God?" The prophetic vision of covenant life is relational walking with God — the very theme of the sermon.
Ezekiel 36:26–27 — "I will give you a new heart, and a new spirit I will put within you... And I will put my Spirit within you, and cause you to walk in my statutes." The New Covenant promise: the Spirit within enabling the very walking that the law demanded but could not produce. This is the Old Testament background to Galatians 5:16.
John 14:16–17 — "And I will ask the Father, and he will give you another Helper... the Spirit of truth, whom the world cannot receive... He dwells with you and will be in you." The shift from "with you" to "in you" marks the New Covenant advance — the Spirit moves from external accompaniment to internal habitation.
John 16:13 — "When the Spirit of truth comes, he will guide you into all the truth, for he will not speak on his own authority, but whatever he hears he will speak." The Spirit's speech is always trinitarian — he speaks what the Father and Son confirm. This is the exegetical basis for the pastor's point that the Spirit always sounds like Jesus.
Acts 2:37–38 — "When they heard this they were cut to the heart... 'Repent and be baptized... and you will receive the gift of the Holy Spirit.'" The Spirit's convicting work (elenchō) leads to the response of repentance and the gift of the Spirit — the pattern of Acts that grounds the sermon's section on conviction.
Romans 8:14 — "For all who are led by the Spirit of God are sons of God." The huioi language immediately preceding v. 16 — Spirit-leading and sonship are inseparable.
1 Corinthians 6:19–20 — "Your body is a temple of the Holy Spirit within you... You are not your own, for you were bought with a price." The stewardship of the body as Spirit-indwelt temple — the theological grounding for total-life surrender.
Ephesians 4:30 — "Do not grieve the Holy Spirit of God, by whom you were sealed for the day of redemption." One of the four ways the pastor identified that we mishandle the Spirit — the Spirit can be grieved (lypeō), indicating genuine personhood and relational sensitivity.
1 Thessalonians 5:19 — "Do not quench the Spirit." The fire metaphor: the Spirit's activity can be dampened or extinguished by deliberate resistance or neglect.
Revelation 2:7 — "He who has an ear, let him hear what the Spirit says to the churches." Present tense — the Spirit says (not said) — the exegetical basis for the pastor's assertion that God still speaks today.
6. Interpretive Considerations
Does the Spirit Still Speak? The Cessationist/Continuationist Debate
The pastor addressed this directly and with conviction: we serve a God who still speaks. This places him within the continuationist stream of evangelical Christianity — the view that all spiritual gifts, including prophecy, tongues, words of knowledge, and direct divine communication, continue throughout the church age.
The opposing view, cessationism, holds that certain "sign gifts" — particularly those involving direct revelation — ceased with the closing of the New Testament canon. This position is associated with Reformed theologians such as B.B. Warfield (Counterfeit Miracles, 1918) and, more recently, John MacArthur. The argument is that the canon of Scripture is complete and sufficient, and that ongoing revelation would undermine biblical authority.
Continuationists (including Gordon Fee, Craig Keener, Wayne Grudem, and most of global Christianity) respond that (1) no biblical text explicitly teaches cessation; (2) the "sufficiency of Scripture" (sola scriptura) addresses Scripture's authority for doctrine and life, not the cessation of the Spirit's personal communication; and (3) the church's global experience, particularly in the Global South, consistently includes Spirit-communication that aligns with Scripture rather than contradicting it.
A Fair Assessment: The pastor's position is exegetically defensible. Revelation 2–3's present-tense "says" (legei), John 16:13's ongoing guidance into truth, and the absence of any biblical "cessation text" all support the continuationist reading. The legitimate concern of cessationism — protecting against subjective claims that override Scripture — is better addressed by the discernment criteria the pastor outlined (the Spirit always sounds like the Bible; he always moves toward God and his family) than by denying the Spirit's ongoing voice.
The "Grieving" of the Spirit — Does God Have Emotions?
Ephesians 4:30's command not to "grieve" (lypeō) the Spirit raises the question of divine passibility — whether God experiences genuine emotional states. Classical theology (drawing on Aristotle via Aquinas) held that God is impassible, incapable of being affected by external events. Contemporary evangelical theology has largely moved toward a position of qualified passibility — God genuinely responds to his creation in ways Scripture describes as emotional, without being controlled by those responses. The pastor's pastoral instinct here is exegetically sound: the Spirit is a person, and persons can grieve.
7. Theological Implications
Pneumatology and the Trinity
The sermon's treatment of the Holy Spirit is implicitly Trinitarian throughout, and this deserves explicit theological reflection. The Spirit is not a force, an influence, or an impersonal power — he is the third person of the Trinity, co-equal and co-eternal with the Father and Son (Matthew 28:19; 2 Corinthians 13:14). The Nicene Creed (381 AD) confesses the Spirit as "the Lord and giver of life, who proceeds from the Father and the Son, who together with the Father and the Son is worshiped and glorified."
This has direct implications for the sermon's theme: if the Spirit is a full divine person, then the relational language the pastor employs — friendship, walking together, speaking and listening, grief at betrayal — is not merely metaphorical. It describes genuine interpersonal reality between the believer and God.
Adoption and Assurance
The doctrine of adoption (huiothesia) is one of the most pastorally significant doctrines in the New Testament. John Calvin called adoption "the highest dignity to which mortals can aspire" (Institutes III.1.3). The Spirit's role as the one who seals our adoption (Ephesians 1:13–14; 4:30) and bears witness to it (Romans 8:16) means that Christian assurance is not primarily based on our performance but on the Spirit's own testimony. This is the answer to the fear that one might not be "good enough" to be God's child — the Spirit himself bears witness to the relationship.
The Spirit and Sanctification
The sermon's point that "religion says get your act together, but Christianity says get close to the Spirit and he'll change your whole life" reflects the New Testament's understanding of sanctification as Spirit-wrought transformation rather than moral self-improvement. This is the theological distinction between nomism (law-keeping as the path to holiness) and pneumatism (Spirit-walking as the path to holiness). Paul makes this argument in Galatians 3:3: "Having begun by the Spirit, are you now being perfected by the flesh?" Holiness is the Spirit's work in us, not our work for God.
8. Practical Application
The deeper our understanding of the Spirit's personhood, the more naturally the practices the pastor outlined flow from theology rather than religious duty.
Quiet Time as Relational Encounter: Understanding that the Spirit is a person who bears witness with our spirit transforms Bible reading and prayer from information-gathering into relational conversation. The pastor's recommendation — find a spot, a slot, and a plan — is not merely a productivity hack; it is the practical outworking of the theological conviction that God is always available and always speaking. As the pastor noted, the question is not whether God is speaking but whether we are listening.
Daily Surrender as Theological Confession: The simple prayer the pastor offered — "Father God, I come to you in Jesus name and I ask for more of your Holy Spirit in my life today" — is a Trinitarian prayer that enacts the theology of Romans 8: we approach the Father, through the Son, asking for the Spirit. This is not a formula but a relational posture.
Conviction as a Gift, Not a Weapon: Understanding elenchō as "bringing to light" rather than "condemning" transforms the experience of conviction. When the Spirit convicts, he is not prosecuting us — he is the friend who tells us the truth we need to hear. Receiving conviction with gratitude rather than shame is a mark of Spirit-maturity.
Community as Spirit-Mediated: The pastor's call to small groups and church community is not merely organizational pragmatism — it is pneumatologically grounded. The Spirit distributes gifts among the body (1 Corinthians 12), not only within individuals. To walk with the Spirit is to walk with the Spirit's people. The testimony of Zay — that his small group leader's well-timed Scripture texts arrived "right on time" — is a concrete example of the Spirit speaking through the body.
Personal Reflection: Where in your life are you most resistant to the Spirit's voice? What "noise" most consistently drowns out his prompting? What would it look like to create genuine silence in your week for listening?
9. Discussion Questions
Observational
In Romans 8:16–17, Paul uses three relational categories: children, heirs, and co-heirs with Christ. What is distinct about each category, and what does each one add to our understanding of our relationship with God?
The pastor identified four ways believers can mishandle the Holy Spirit: grieving, resisting, quenching, and ignoring. What specific behaviors or patterns does Scripture associate with each of these? (Reference Ephesians 4:30; Acts 7:51; 1 Thessalonians 5:19; Hebrews 3:7–8.)
In Galatians 5:16, Paul uses the present imperative "walk by the Spirit." What does the continuous, ongoing nature of this command suggest about the Christian life? How does this differ from a one-time decision?
Interpretive
The sermon distinguishes between the Spirit "bearing witness to our spirit" and "bearing witness with our spirit." Why does the Greek preposition syn (with) matter theologically? What would be lost if the Spirit merely testified to us from outside?
The pastor argued that the Holy Spirit "always sounds like the Bible" and "always moves you toward God and his family." How do these criteria function as a discernment grid? What are their strengths and limitations? Can you think of cases where someone might use these criteria incorrectly?
James 4:8 promises that if we draw near to God, he will draw near to us. But the pastor also said God "already took the first step" in creation and Christ. How do we hold together divine initiative and human response without collapsing into either fatalism or works-righteousness?
Theological
The sermon presents the Holy Spirit as a relational person who can grieve, speak, convict, and walk with us. How does this understanding of the Spirit's personhood challenge the common tendency to treat the Spirit as an impersonal force or power? What difference does it make for how we pray?
The pastor drew a sharp contrast between "religion" (get your act together) and "Christianity" (get close to the Spirit and he'll change you). How does this distinction connect to Paul's argument in Galatians about law versus Spirit? Is there a danger in this contrast being misunderstood? How would you guard against that misunderstanding?
Applicational
The pastor said, "Living in sin should bother you." He also distinguished between conviction (the Spirit's work) and condemnation. In your own experience, how do you tell the difference between the Spirit's conviction and either self-condemnation or mere social guilt? What does healthy conviction look and feel like?
The pastor recommended "quality quiet time" with a spot, a slot, and a plan. What specific obstacles in your current life make this difficult? What would need to change — structurally, relationally, or spiritually — for this to become a consistent reality?
The sermon argued that walking with the Spirit necessarily includes walking with the Spirit's people — the church community. How does your current engagement with a small group or faith community either support or undermine your ability to hear the Spirit's voice?
Investigative
- The cessationist/continuationist debate about whether God still speaks through prophetic gifts is one of the most significant dividing lines in contemporary evangelicalism. Research one primary source from each position — for example, John MacArthur's Strange Fire (cessationist) and Wayne Grudem's The Gift of Prophecy in the New Testament and Today (continuationist). What are the strongest arguments on each side, and how does your study of the biblical texts inform your own position?
10. Recommended Resources
Accessible (Motivated Lay Readers)
Francis Chan, Forgotten God: Reversing Our Tragic Neglect of the Holy Spirit (David C. Cook, 2009) A passionate, readable call to recover genuine relationship with the Spirit. Chan writes with pastoral warmth and personal vulnerability. An excellent companion to this sermon series.
Gordon Fee, Paul, the Spirit, and the People of God (Hendrickson, 1996) Fee is one of the foremost New Testament scholars on Pauline pneumatology, and this is his accessible, non-technical synthesis. Ideal for lay readers who want serious scholarship without a seminary degree.
J.I. Packer, Keep in Step with the Spirit (Fleming H. Revell, 1984) A balanced, Reformed perspective on the Spirit's work in sanctification, spiritual gifts, and the Christian life. Packer engages both cessationist and charismatic concerns with characteristic fairness and depth.
Intermediate (Comfortable with Theological Language)
Thomas Schreiner, Romans (Baker Exegetical Commentary on the New Testament, 1998) An outstanding mid-level commentary on Romans with excellent treatment of chapter 8. Schreiner engages the Greek carefully while remaining accessible to serious lay readers.
Douglas Moo, Galatians (Baker Academic, 2013) Moo's commentary on Galatians is widely regarded as one of the best available. His treatment of Galatians 5:16–26 (the Spirit versus flesh section) is thorough and theologically rich.
Craig Keener, Gift and Giver: The Holy Spirit for Today (Baker Academic, 2001) Keener is one of the most prolific New Testament scholars working today. This accessible volume makes the case for the Spirit's ongoing work, with careful attention to both Scripture and church history. Keener's IVP Bible Background Commentary: New Testament is also invaluable for cultural context.
Advanced (Seminary-Level Engagement)
Gordon Fee, God's Empowering Presence: The Holy Spirit in the Letters of Paul (Hendrickson, 1994) Fee's magnum opus on Pauline pneumatology — exhaustive, technically rigorous, and exegetically brilliant. Every passage where Paul mentions the Spirit is treated in detail. This is the definitive scholarly work on the subject.
Wayne Grudem, Systematic Theology, Chapter 30: "The Work of the Holy Spirit" (Zondervan, 1994) Grudem's treatment is comprehensive and clearly written, engaging the full range of systematic questions about the Spirit's person and work. His chapter on spiritual gifts (ch. 52) is essential reading for the cessationist/continuationist debate.
Sinclair Ferguson, The Holy Spirit (IVP, 1996) — Contours of Christian Theology series A theologically rigorous, historically informed treatment of pneumatology from a Reformed perspective. Ferguson's engagement with patristic and Reformation sources provides essential historical depth.
This study guide is designed to be used over multiple sessions. Consider working through Sections 2–4 in a first sitting, Sections 5–7 in a second, and Sections 8–9 in a group discussion setting. The goal is not merely to know more about the Holy Spirit but — as the sermon urged — to walk more closely with him.