礼义廉耻，可以用来要求自己，不可用来要求别人。要求自己则能少犯过失，要求别人则难以与人和睦相处，难以与他人相处就不合乎处世之道。所以君子只严格要求自己，小人则对别人求全责备。

What information consumes is rather obvious: it consumes the attention of its recipients. Hence a wealth of information creates a poverty of attention.

Fools are the ones who cannot change their minds.

In mathematics, you don't understand things. You just get used to them.

去做高尚的事情，不要整天只是做梦。

我不是星星，我是银河。