我不认为每个人都应该成为数学家，但我确实相信许多学生没有给数学一个真正的机会。
习性不仅是一种结构化的结构，它组织实践和对实践的感知，同时也是一种被结构的结构。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
When you are young, you think that the world is a place where you can live as you choose. But as you get older, you realize that the world is a place where you have to live as you must.
世界是如此不可预测。事情突然发生，出乎意料。我们想要感觉我们能控制自己的存在。在某些方面我们是，在某些方面我们不是。
The future of coal industry lies in intelligent and digital transformation.
"The true essence of a story is not in its plot, but in the emotions it evokes."
Sustainable infrastructure should balance economic, social and environmental benefits.