书籍是灵魂的镜子。

保持健康应该是渴望智慧的人的首要研究。

In the end, we are all alone, and that is the fundamental condition of human existence.

Every experiment is a conversation with nature, and sometimes nature whispers its secrets.

飞得越高，摔得越重。

我们都被自己制造的幽灵所困扰。