It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.

I see everything. That is my curse.

The only limits that exist are the ones in your mind.

数学只向那些纯粹出于对其美的热爱而接近它的人揭示其秘密。

蓬草长在麻地里，不用扶它也能挺立；把白沙放在黑土里，白沙也就变成黑的了。这两个例子说明，环境对一个人的影响，是非常大的，所以才有了《孟母三迁》的故事。

There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.