How Does the Trinity Affect All Doctrine?

One in Three


After you get past the complexity of the Trinity—one God in three persons—many wonder how the Trinity impacts Christian doctrine. Why is it important to have a full understanding of the Trinity? Christian leaders and pastors D.A. Carson, John Piper, and Tim Keller talk about the Trinity and how it applies to key truths in Scripture. 


Dr. D.A. (Don) Carson is currently Research Professor of New Testament at Trinity Evangelical Divinity School and co-founder and president of The Gospel Coalition. John Piper is founder and teacher of desiringGod.org and Chancellor of Bethlehem College & Seminary. Timothy Keller is the founding pastor of Redeemer Presbyterian Church in Manhattan. 



God exists as one in three persons—the Trinity. The Trinity consists of the Father, Son, and Holy Spirit. The doctrine permeates essential Christian theology because it encompasses our understanding of God. 

What struggles do you have about understanding the Trinity? Why? What is easier to understand about the Trinity? Why?
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Don said there is scarcely a doctrine that is unaffected by the Trinity. How do you see the Trinity factoring into major Christian doctrines?
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Tim and John both pointed out that the Trinity proves that God is love. How does their statement resonate with you? What does it mean for you that God is love?
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Tim warned against overemphasizing God’s “oneness” or “three-ness.” Have you ever experienced someone who emphasized one over the other? How did it affect their theology and love for others?
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If someone came up to you and asked about the Trinity, how would you use this discussion to guide your response? What points would you be sure to include? Why?
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What could you do this week to deepen your understanding of the Trinity? What biblical passages could you study or memorize?
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The way we understand the Trinity shapes our view of God, and therefore impacts our perception of every Christian doctrine. Pursue a robust and balanced theology of the Trinity. Remember God’s love expressed through the Trinity as you follow Him in your daily life.  


To learn more about the Gospel Coalition, click here.