体育绝不能被视为奢侈品。

To do mathematics is to engage in an act of creation and discovery simultaneously.

Train people well enough so they can leave, treat them well enough so they don't want to.

The most important thing in literature is not the story, but how the story is told.

关于神，我无法知道他们是否存在。因为有许多阻碍我们认知的因素：问题的晦涩和人类生命的短暂。