All intelligent faith in God has behind it a background of humble agnosticism.

Liberty is always dangerous, but it is the safest thing we have.

We must take the abiding spiritual values which inhere in the deep experiences of religion in all ages and give them new expression in terms of the framework which our new knowledge gives us. Science forces religion to deal with new ideas in the theoretical realm and new forces in the practical realm.

No character is ultimately tested until it has suffered.

Don't simply retire from something; have something to retire to.

A supremely religious man or woman is one who believes deeply and consistently in the veracity of his highest experiences. He has his hours in the cellar ... but he believes in the truth of the hours he spends upstairs.

Falsehood is never better than truth, theft better than honesty, treachery better than loyalty, cowardice better than courage.