Men make their own history, but they do not make it as they please; they do not make it under self-selected circumstances, but under circumstances existing already, given and transmitted from the past.
人们自己创造自己的历史，但是他们并不是随心所欲地创造，并不是在他们自己选定的条件下创造，而是在直接碰到的、既定的、从过去承继下来的条件下创造。
Every problem in mathematics is an opportunity to learn something new.
我们对自己说的最大谎言是 "这不需要写下来，我能记住的"。（换言之：好脑子不如烂笔头。）
贫贱时，对富贵漠然置之，他日得志一定不自矜；富贵之时，心中不忘贫贱之日，即便失却富贵心中也必无怪怨。
可持续发展不仅仅是一个流行词，而是我们对后代的责任。
In the energy sector, innovation isn't just an option—it's a necessity.
