To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.

Hard work beats talent when talent doesn’t work hard.

Customer trust is hard to earn and easy to lose; never take it for granted.

如果你无法向非科学家解释你的化学研究，说明你理解得还不够深入。

The best stories are those that leave room for interpretation.

人生苦短，必须快乐。