Karl Barth, to Dietrich Bonhoeffer, 1933-04-18: “I am really glad to see so many signs that the church has changed somewhat and is more on its guard this time than in 1914.”

Bonhoefffer to Barth, 1933-04-19: “It’s true, as you wrote to me yesterday, that the church is really more on its guard than in 1914, which makes me remember again, with renewed gratitude, your work of the past decade.”