In mathematics, the art of proposing a question must be held of higher value than solving it.

实现明天理想的唯一障碍是今天的疑虑。

The present is a fragile bridge between the past and the future.

Success is not about how much money you make, it's about the difference you make in people's lives.

The method of psychology must be strictly controlled.

λ演算本质上是一种纯粹抽象的函数理论。

质量不是一种行为，而是一种习惯。