Be it an infallible church, Book or Doctrine, all these assume that there is a spot in the world which is not fallen and thus exempt from sinfulness. But the only part of the world free from Sin and its positive correlative is Christ Jesus… and He alone is the ultimate authority....
Bonhoeffer, Dietrich. London, 1933-1935. Translated by Keith W. Clements. Vol. 13, Dietrich Bonhoeffer Works. Minneapolis, MN: Fortress Press, 2007.
The quote is from student notes on a lecture Bonhoeffer gave on Karl Barth’s theology. I encountered it in Wartick, J.W. "Bonhoeffer on an infallible (or inerrant) church, book, or doctrine." Reconstructing Faith blog. July 29, 2024. Retrieved from https://jwwartick.com/2024/07/29/bonhoeffer-infallible/.