But what is happiness except the simple harmony between a man and the life he leads?

在理论物理学中，近似的艺术往往比精确解更重要。

"The most important thing in empirical work is to be clear about the question you are trying to answer."

Don’t let anyone tell you what you can’t do. Prove them wrong.

The truth is, the world is so constructed that if you wish to enjoy its fruits, you must submit to its rules.