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我為我們沒有做的許多事情感到驕傲，就像為我們做過的事情感到驕傲一樣。創新就是對一千件事情說不。

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

Concrete can be as warm as wood when it captures light.

The surface of a painting is like a skin - it holds everything together.

Mathematics is the music of reason.

數學家的工作永遠不會真正完成；總有更多的東西需要探索。

造紙行業的未來在于平衡傳統與尖端技術。

The best solutions come from listening to those who work the land every day.

I am a formalist.

I'm not a gangster, I'm not a thug, I'm just a regular guy who's had some success.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.