"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.

The more I study nature, the more I stand amazed at the work of the Creator.

It is vain to expect virtue from women till they are, in some degree, independent of men.

化学是一门奇妙的科学，但一个人不应该完全投身于其中。

The power of accurate observation is commonly called cynicism by those who have not got it.

你不能让恐惧支配你的生活。