You can't make a good deal with a bad person.
和一个道德品质败坏的人,无法完成一桩好交易。
Quality should never be compromised for speed.
The market is full of noise, and we try to filter it out.
倘若有人能指出你错了,你为何还要介意?
——2008年2月19日在斯坦福大学演讲