事物的复杂性——事物中的事物——似乎是无止境的。我的意思是，没有什么是容易的，没有什么是简单的。

"Every man is born as many men and dies as a single one."

我不让任何人控制我。

In software systems, it is often the early bird that makes the worm.

我的箴言一贯如此：英雄不问来路。

Anxiety is essential to the human condition. The confrontation with anxiety can relieve us from boredom, sharpen the sensitivity and assure the presence of tension that is necessary to preserve human existence.

数学的力量来自于它的抽象和概括能力，将具体问题转化为普遍真理。