From the intro:"INTRODUCTORY I suppose every thoughtful person from time to time takes up with himself the question of prayer. It was not a good man who said: "What profit should we have, if we pray unto him?" (Job 21:15). But it was a very natural question and a thousand others than he has framed it, sometimes in thought, and at other times in words. How can God answer prayer if He be all-knowing and all-powerful? Why should a Being who could create...