Everyone you meet is fighting a battle you know nothing about. Be kind. Always.

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.

为了成功，你必须愿意失败。

That thing that made you weird as a kid could make you great as an adult — if you don’t lose it.

计算机科学最伟大的单一成就是算法概念的发展。