The only person you should try to be better than is the person you were yesterday.

"The world is full of obvious things which nobody by any chance ever observes."

Psychology is the science of mental life, not just the cataloging of its elements.

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.

活得足够长以超越你可能获得的任何怨恨感是值得的。

人们并不愚蠢，只是世界很复杂。