煤炭使美国在世界范围内保持竞争力。

地球是广阔宇宙舞台上一个非常小的舞台。

在量子物理学的领域里，观察者不仅仅是被动的观众，而是现实展开中的积极参与者。

Language is the only homeland that never exiles you.

Read, read, read. Read everything — trash, classics, good and bad, and see how they do it. Just like a carpenter who works as an apprentice and studies the master. Read! You'll absorb it. Then write. If it's good, you'll find out. If it's not, throw it out of the window.

The only person you should try to be better than is the person you were yesterday.

企业的目的是创造价值，而不仅仅是盈利。