The power of abstraction is that it allows us to ignore details that are not relevant to the task at hand.

The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.

The glory of the heavens is infinite to us.

Innovation requires a culture that tolerates failure—fast iteration leads to fast growth.

The modern state is a product of the European experience.

我坚信统治阶级的哲学，尤其是我统治的时候。

在观察的领域里，机遇只偏爱那种有准备的头脑。

理论计算机科学的美在于它能够将抽象的数学概念与实际的计算问题联系起来。