“What I didn’t yet realize in any but a superficial sense was the obvious corollary of this teaching about I and Thou: namely, that in order to open up to the Thou, I myself, the other half of the relationship, would have to be truly and genuinely I. I would have to be I!”
Page 56, What is God
“All I can or ought to say further about this is to call up an ancient saying—which comes from I don’t remember where—to the effect that the only real proof of the existence of God is the existence of inwardly developed human beings—along with the existence in oneself of that which can recognize them.”
Page 52 What is God