The only way to do great work is to love what you do.

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

自然定律相对于参考系变换的对称性是物理学最基本的原理之一。

保持在场，持续保持在场。成功人士说过：99％的成功就是因为保持在场赢得的。

古语，意指人的生死和富贵由天命决定。

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.

To speak is to risk, but to be silent is to risk more.