In religion more than in any other field of human experience a sharp distinction must always be made between knowing about and knowing. The distinction is the same as between knowing about food and actually eating it.… A man can remain spiritually dead while knowing all the historic facts of Christianity. “This is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent” (John 17:3). We have but to introduce one extra word into this verse to see how vast is