Woe to him whose beliefs play fast and loose with the order which realities follow in his experience; they will lead him nowhere or else make false connections

Faith means belief in something concerning which doubt is still theoretically possible ... faith is the readiness to act in a cause the prosperous issue of which is not certified to us in advance.

Men's activities are occupied into ways -- in grappling with external circumstances and in striving to set things at one in their own topsy-turvy mind.

It is so human a book that I don't see how belief in its divine authority can survive the reading of it.

The war against war is going to be no holiday excursion or camping party.

Language is the most imperfect and expensive means yet discovered for communicating thought.

We may be in the Universe as dogs and cats are in our libraries, seeing the books and hearing the conversation, but having no inkling of the meaning of it all.