To write is to remember, but to read is to forget.

The beauty of a mathematical idea is that it can be shared and understood across cultures and time.

模型的目的是足够简单以便理解和使用，但又足够复杂以捕捉系统的基本特征。

I've always been drawn to characters who are complex and flawed, because that's what makes them human.

生命的意义在于追求真理。