唯一存在的限制是你给自己设定的限制。

Where there is no property there is no injustice.

My job is not to be easy on people.My job is to take these great people we have and to push them and make them even better.

外交的成功在于真正理解对方的需求和利益，并在此基础上寻求合作的可能性。

平庸的标志不是不愿意改变。平庸的标志是长期的不一致。