The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.

The only thing that is constant is change.

If you think you understand quantum mechanics, you don't understand quantum mechanics.

我不想成为环境的产物。我希望环境成为我的产物。

数学是一种让我们能够描述无法描述的事物的语言。