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Change happens by listening and then starting a dialogue with the people who are doing something you don’t believe is right.

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

我是一個戰士，我非常堅定和獨立。

I disapprove of what you say， but I will defend to the death your right to say it.

計算復雜性的本質是理解什么可以被有效地計算的極限。

科學的發展既需要個人的努力，也需要社會的支持。

光是建筑的魔術師。

I don't want to fall in love, I want to fall in success.