身体劳累而不休息，就会疲困；精力使用过度而不止歇，就会衰竭。
故事本身才是主角，而不是说故事的人。
商业的成功来自于理解人，而不仅仅是产品。
We are constantly refining our models to improve performance.
直到被完全理解，过去才真正成为过去。
"If liberty means anything at all, it means the right to tell people what they do not want to hear."