心理学必须是实际生活的指南。

当遗憾取代梦想时，一个人才算老了。

铁蛋儿的问题，不是他不识字，也不是他不会思考，而是他不知道什么是思考，并且将其与感觉相混淆。

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

谋杀一个幻影比谋杀现实要困难得多。

"Books are the windows to other worlds."

Life is too short to be anything but happy.