We came to get down, we came to get down

化学是一门研究物质性质及其变化的科学。

世界会打击每一个人，但经历过后，许多人会在受伤的地方变得更坚强。

The next chapter of American energy won't be written by clinging to old playbooks, but by those willing to rewrite them.

The writer must be a traitor to his class, his country, his religion—to everything except his conscience.

我们写的每一个字都是朝着理解自己和周围世界迈出的一步。