Nearly three years after Tim Keller’s death, no one can offer a comprehensive assessment of his legacy. And that’s not why I published the first edition of my book back in 2023, shortly before Keller died.

But especially since 2022, as his cancer reached its final stages and I was wrapping up my final edits, Keller’s legacy became a high-profile dispute, with critics lined up behind essays, videos, and podcasts to explain how they have moved on from him. In the updated and expanded paperback edition, releasing today, I offer a response with two major reasons I believe his legacy should endure.

Overall, Keller’s legacy should endure because he followed in a long evangelical legacy of teaching the Scriptures and building institutions that support the church. That legacy led him to emphasize what’s tried and true in Christianity discipleship. He gave his life to building up institutions, especially the church, but also including The Gospel Coalition as our co-founder. One reader of this book asked me why I didn’t write about Keller’s calling to pastoral ministry. Until that moment I had never considered even asking Keller that question. From the time he became a Christian he never stopped giving himself to helping others know Christ. That’s what he and his friends did in the early 1970s. They followed the example of older Christians, studied the Scriptures, served their InterVarsity chapter, and attended church. They didn’t know any other way.

Because there’s no other way to change the world. There’s no world so negative that it would demand a different way. Keller’s legacy will endure because he didn’t tie his teaching to superficial cultural assessments or commend ministry strategies for fleeting political trends. Rooted in Scripture and exploring culture’s deep structures instead of today’s snapshot polling, Keller helped us prepare for the bigger challenges of tomorrow.

Some may dismiss as naïve the church movement Keller labored to build. Its leaders may be despised by identity-branded politicians and partisans. Maybe such efforts will be ignored by the broader world, even by other Christians. But this kind of church can endure the deeper challenges of the cultural crisis we have entered after Christendom, after the Enlightenment. This kind of church—because it’s based in Scripture, empowered by the Spirit, and ruled by Christ—can even become the catalyst for an unexpected, mighty movement of God in our day.

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Pick up a copy of the brand-new updated and expanded Timothy Keller: His Spiritual and Intellectual Formation in paperback from our TGC Store.