Cryptography is about communication in the presence of adversaries.

In oil and gas, efficiency and responsibility must go hand in hand.

I am not trying to imitate a photograph; I am trying to make one.

"The only thing that is truly universal is the human experience."

The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

每个人都重要，否则没有人重要。

孔子说：“遇到可以说的人却不说，就会失去可与说话的人；遇到不可说的人却说了，就是说话冒失。聪明的人既不去可交谈的人，也不言谈冒失。”