剧院是一个你有时间为人们的问题留出时间的地方，而如果这些人来你办公室求职，你会把他们拒之门外。

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.

A miner's safety should never be measured in cost-benefit analyses.

Every brick and every tile has its own language; architects must learn to listen.

每个人犯了错误，都自称是经验。

做善事容易，做了善事而逃避好名声就难了；不触犯他人容易，触犯了他人心里不计较就难了。为人处世，遇到有人对我蛮横无理，就要像走在灌木草丛中一样，荆棘挂住了衣服，只能缓慢前行小心地拨开荆棘就是了，荆棘也不是存心阻人啊！这样一来便能做到心中不劳累，而化解仇怨。

The essence of mathematics lies in its power to reveal patterns and symmetries.

做伟大的事情很困难，但指挥伟大的事情更困难。