Unbelievable? Kathy Keller on Tim Keller, Sin and the World’s Deepest Problem
4 snips
Nov 18, 2025 
Kathy Keller, a writer and long-time partner of the late Tim Keller, shares profound insights on faith and sin in this engaging conversation. She reflects on her teenage correspondence with C.S. Lewis and the major influences that shaped Tim's ministry. Discussing Tim's new book, she tackles the modern misunderstandings of sin, emphasizing its many disguises and the cultural reluctance to acknowledge it. Kathy also explores idolatry, encouraging a deeper love for God as the remedy, and stresses the importance of addressing sin in church preaching.
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Letter To C.S. Lewis As A Teen
- Kathy Keller wrote to C.S. Lewis as a teenager and received several replies that she kept with her Narnia books.
- She visited Lewis at the Kilns and treasured his personal encouragement about being a writer.
Core Message: Atonement Plus Context
- Tim Keller's core message combined substitutionary atonement with careful contextualization for his audience.
- Contextualization meant making the gospel understandable without watering it down.
Winsome Tone, Uncompromising Content
- People mistake Tim Keller's demeanor for being less forceful, but his sermons used strong language about sin and judgment as often as other prominent preachers.
- His approach was winsome in tone but uncompromising in content.
