"Superstition is cowardice in the face of the Divine."

"Fables should be taught as fables, myths as myths, and miracles as poetic fancies. To teach superstitions as truths is a most terrible thing."

"The only way to make sense out of change is to plunge into it, move with it, and join the dance."

"Reserve your right to think, for even to think wrongly is better than not to think at all."

"The mind is its own place, and in itself can make a heaven of hell, a hell of heaven."