"The writer is a man who is always trying to push the boundaries of language, to explore the limits of language, to see what language can do."

数学的乐趣在于努力理解的过程。

We must be free not because we claim freedom, but because we practice it.

No one can become fully aware of the very essence of another human being unless he loves him.

计算效率的概念是学习算法设计的核心。

A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labor of bees, will often be stung for his curiosity.