我对愚人有着极大的信心；我的朋友称之为自信。

Little else is requisite to carry a state to the highest degree of opulence from the lowest barbarism but peace， easy taxes， and a tolerable administration of justice.

The true measure of a leader is not how many followers they have, but how many leaders they create.

The truth is rarely pure and never simple.

Leadership is about creating more leaders, not more followers.

对黑洞的研究彻底改变了我们对空间和时间的理解。