The only thing that can make you happy is doing what you love.

It is not shame for a man to learn that which he knows not，whatever his age.

Excellence is not an act, but a habit.

作家的职责是注意到别人错过的东西。

"Fear is the most democratic of all emotions."

每个故事都是关于死亡的故事，但也许每个故事也都是关于生命的故事。

生活是一场冒险，或者它根本不值得一活。

There are no such things as applied sciences, only applications of science.

What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.

理解基础是掌握任何复杂系统的关键。