比身体不好更糟的只有名声不好。

你唯一的限制是你给自己设定的限制。

"Children's literature should be taken seriously because it shapes young minds."

The proper study of psychology is not what the mind is, but what the mind does.

The man with a toothache thinks everyone happy whose teeth are sound. The poverty-stricken man makes the same mistake about the rich.

数学是上帝用来书写宇宙的语言。