世界是事实的总和，而非事物的总和。

Change the way you look at things and the things you look at change.

An individual has not started living until he can rise above the narrow confines of his individualistic concerns to the broader concerns of all humanity.

找到方法。

没有伦理的科学就像没有指南针的船。

The only way to get rid of a temptation is to yield to it.

幸福存在于内心。

认为世界上只有一种真理，而自己恰好掌握了它，在我看来这是世界上一切邪恶的最深根源。