Paul answers what it means to offer your life to God in a single, startling sentence: "Present your bodies as a living sacrifice, holy and acceptable to God, which is your reasonable service" (Romans 12:1). The word translated as "reasonable" is "logikēn," meaning logical, rational, or fitting. Given everything God has done, offering yourself fully to Him simply makes sense.
That verse shaped an entire life's work.
Wilhelmus à Brakel spent his ministry asking one question: If Christian doctrine is true, why doesn't it change us more? His answer was not to soften the doctrine; it was to show, with extraordinary pastoral care, how every truth of Scripture connects directly to how we walk, pray, struggle, and love. The result was The Christian's Reasonable Service, a four-volume masterpiece that has guided Reformed believers for more than three centuries.
The Movement That Shaped Him
The Dutch Second Reformation (Nadere Reformatie) was not a reaction against the first Reformation but a deepening of it. By the mid-seventeenth century, doctrinal battles were largely settled, but a concern was growing: correct doctrine was not producing transformed lives. Churches were orthodox. Christians were spiritually cold.
À Brakel (1635–1711) insisted the problem was not too much doctrine but doctrine that had not been internalized. Theology had to become experiential, moving from the lecture hall to the heart. He published The Christian's Reasonable Service in 1700 as a summa of a lifetime's pastoral work. It became an immediate classic, going through roughly twenty editions in the Netherlands alone.
A Method That Doesn't Let You Off the Hook
What makes the work distinctive is its consistent pattern: à Brakel states each doctrine, grounds it exegetically in Scripture, defends it against objections, and then without exception applies it to the Christian life.
His treatment of God's omniscience asks the following: How does it change how you pray, knowing God already knows your need? His treatment of predestination asks, "How does confidence in sovereign election comfort you in spiritual struggle?" You cannot engage his work and remain a detached observer. The theology reaches into your life and demands a response.
What the Four Volumes Cover
- Volume 1 — The knowledge and attributes of God, the Trinity, creation, sin, and the covenant of grace, culminating in the person and work of Christ.
- Volume 2 — The application of redemption: regeneration, faith, justification, adoption, and the sacraments.
- Volume 3—The Christian life directly: holiness, the Ten Commandments, prayer, contentment, and self-denial. Widely considered one of the finest treatments of Christian ethics available.
- Volume 4 — The deeper disciplines and ultimate horizon: spiritual warfare, perseverance, death, resurrection, and eternal glory, written with a sense of real urgency by a man who believed every word.