Bonhoeffer and Preaching

How Dietrich Bonhoeffer thought about preaching:

Bonhoeffer took preaching seriously. For him a sermon was nothing less than the very word of God, a place where God would speak to his people. Bonhoeffer wanted to impress this idea on his ordinands, to help them see that preaching was not merely an intellectual exercise. Like prayer or meditation on a scriptural text, it was an opportunity to hear from heaven, and for the preacher, it was a holy privilege to be the vessel through whom God would speak. Like the incarnation, it was a place of revelation, where Christ came into this world from outside it.

--From Bonhoeffer: Pastor, Martyr, Prophet, Spy, by Eric Metaxas