煤炭行业是美国能源独立的支柱，已经持续了几代人。

预测未来的最好方法就是创造未来。

It is justice, not charity, that is wanting in the world.

There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.

如果我们消灭了野性，那么我们就是在扼杀自己灵魂的一部分。

那些将蓬勃发展的是将变化视为机会而非威胁的公司。