Paul Tillich died while I was still in high school. But the embers of his theological revolution–equivalent in theology to Bultmann’s in biblical studies–were still warm by the time I got to Harvard Divinity School, where he taught from 1955 to 1962. I read him assiduously, ran yellow highlighters dry illuminating “key” passages, and wrote the word “Yes!” in the margins more often than Molly Bloom gasps it in the last chapter of Ulysses.

It isn’t that I now regard Tillich as less profound  than I did three decades ago.  It’s that I now realize he was methadone for religion- recoverers. His key works–The Religious Situation, The Shaking of the Foundations, the multipart, unbearably dense Systematic Theology (especially disliked in Britain when it appeared), and Dynamics of Faith–reveal a soul committed to taking the sting out of what many theologians before Tillich called “the modern situation.”

The modern situation was basically…