成为背景角色，既意味着默默无闻，又不可或缺。

化学的语言是通用的，超越了国界和文化。

摆脱诱惑的唯一方法是屈服于诱惑。

The only person who is educated is the one who has learned how to learn and change.

人类行为是自然的一部分，可以通过自然科学的方法来研究。

A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do.