The art of doing mathematics consists in finding that special case which contains all the germs of generality.

I used to think the world was broken down by tribes. Then I thought it was broken down by rich and poor. Then I thought it was broken down by stupid and smart. But I know now that it is broken down by people who are alive and people who are dead.

最强大的公司建立在信任的基础上，无论是团队内部还是与客户之间。