赚钱的最好方法是买入一些东西，然后什么都不做。

煤炭的未来不在于产量，而在于通过技术和可持续性创造价值。

Our descendants will achieve things that will amaze us， yet a portion of what they will create could have been made with today’s materials and tools if we had had the imagination. Think bigger.

To understand the arithmetic of algebraic varieties is to understand the symmetries hidden within them.

"I think that mathematicians are much more like artists than they are like scientists."

我由衷地高兴，我的任期即将结束。

I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones。