善无主于心者不留，行莫辩于身者不立。
善不是出自内心的，不能保留；行为不能从自身辩明的，不能去做。善不是出自内心的，只能够勉强支撑一时，必然不能长久。所以也只能使伪善。
如果你只读大家都在读的书，你只能想到大家都在想的东西。
The only thing I can do is write. Everything else bores me.
The most important skill in mathematics is the ability to ask the right questions.
The rise of China and other authoritarian states challenges the idea that liberal democracy is the only viable political system.
创造力不是奢侈品；它是过上有意义生活的必需品。
用臀部来跳舞。
In philosophy, the winner of the race is the one who gets there last.
