Lewis attempts something almost impossible — to make the doctrine of the Trinity feel not like a confusing technicality but like the most exciting idea in the world.

Discussion Questions

6 questions

1.Lewis argues that prayer is the place where we discover the Trinity in practice — we speak to the Father, through the Son, with the Spirit. How does his description of prayer as being caught up into a divine exchange between Father, Son, and Spirit make prayer feel different from one-way communication?

2.He uses the analogy of dimensions: in one dimension you have a line, in two dimensions a square, in three dimensions a cube. He says moving from individual persons to the Trinity is like moving into a higher dimension — it does not cancel what we know, it includes it. Do you find this analogy illuminating or frustrating?

a.What has been your typical way of thinking about the Trinity — as a puzzle, a formula, or something else?

b.How might Lewis's dimensional analogy help someone who finds the doctrine of the Trinity incoherent?

3.Lewis says that when you pray, there are three things present: yourself praying, the Spirit urging you to pray, and the Father to whom you pray. He says this is not 'theory' but experience. When you pray, do you experience this complexity? What might it mean if you don't?

4.He argues that the Trinity shows God is not static but relational — a dynamic, interpersonal life of love between Father, Son, and Spirit. What does this reveal about the nature of love itself, and about why humans are so deeply relational?

5.Lewis connects the Christian doctrine of God to the deepest human experiences of relationship and community. Does the Trinity make the Christian God more or less attractive to you, compared to a simpler, solitary God?

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