"Some people feel that to be a Christian, one must be a gloomy, long-faced, spoil-sport. This is a complete travesty of the truth."

"We are not necessarily doubting that God will do the right thing; we are wondering whether He will do anything at all."

"It is a good rule after reading a new book, never to allow yourself another new one till you have read an old one in between."

"What we call 'nature' is a system of events. But there is another kind of system, a system of events which are not natural, but supernatural."

"The only people who achieve much are those who want knowledge so badly that they seek it while the conditions are still unfavorable."