可持续性不仅仅是一个流行词，它是长期成功的基础。

Understanding is the first step to acceptance, and only with acceptance can there be recovery.

Existence is a risk, but non-existence is also a risk.

The soul is created in a place between time and eternity: with its highest powers it touches eternity, with its lower time.

解决数学问题的喜悦是无与伦比的；这是纯粹的智力胜利的时刻。

I am always glad to think that my education was, for the most part, informal, and had its roots in the real world.

There will be obstacles. There will be doubters. There will be mistakes. But with hard work, there are no limits.

"The biggest victories come after the toughest battles."