实现明天的唯一限制就是我们今天的怀疑。

数学中最重要的是提出正确的问题。

The best ideas often come from the most unexpected places.

越南人民深深热爱独立、自由与和平。但在美国侵略面前，我们团结一致奋起反抗。

The most important property of a program is whether it accomplishes the intention of its user.

I always tell my kids if you lay down, people will step over you. But if you keep scrambling, if you keep going, someone will always, always help you.

The challenges of today's coal industry require bold leadership and vision.

The best scientists are those who remain humble in the face of nature's complexity.

我比自己想象的要坚强。