God made us: invented us as a man invents an engine. A car is made to run on petrol, and it would not run properly on anything else. Now God designed the human machine to run on Himself.

Those who put themselves in His hands will become perfect, as He is perfect- perfect in love, wisdom, joy, beauty, health, and immortality. The change will not be completed in this life, for death is an important part of the treatment. How far the change will have gone before death in any particular Christian is uncertain.

Telling us to obey instinct is like telling us to obey 'people.' People say different things: so do instincts. Our instincts are at war... Each instinct, if you listen to it, will claim to be gratified at the expense of the rest.

I don't pray so that I can change God. I pray so that God can change me.

The Church exists for nothing else but to draw men into Christ, to make them little Christs. If they are not doing that, all the cathedrals, clergy, missions, sermons, even the Bible itself, are simply a waste of time. God became Man for no other purpose.

The real trouble about the duty of forgiveness is that you do it with all your might on Monday and then find on Wednesday that it hasn't stayed put and all has to be done over again.

[M]an has been accustomed, ever since he was a boy, to having a dozen incompatible philosophies dancing about together inside his head. He doesn't think of doctrines as primarily "true" or "false," but as "academic" or "practical," "outworn" or "contemporary," "conventional" or "ruthless." Jargon, not argument, is your best ally in keeping him from the Church. Don't waste time trying to make him think that materialism is true! Make him think it is strong or stark or courageous—that it is the philosophy of the future. That's the sort of thing he cares about.