You have to have confidence in your ability, and then be tough enough to follow through.

Success is not the key to happiness. Happiness is the key to success.

外交是实现国家利益的一种手段，但也要尊重和平、公正和法治的原则。

No man really knows about other human beings. The best he can do is to suppose that they are like himself.

最好的公司不是因为创始人想要一家公司而成立的，而是因为创始人想要改变世界。