数学家是能在定理之间找到类比的人；更好的数学家是能在证明之间看到类比的人；而最好的数学家是能注意到理论之间类比的人。

The city is an addictive machine from which there is no escape.

The question is not whether the thing exists， but whether it has any essence which is capable of existence without us.

读书的人死前活过千次，不读书的人只活一次。

数学的美在于它能够用一种超越文化和语言障碍的语言来描述宇宙。

People can’t remember more than 3 points from a speech.