幽默是一种处理世界的方式，一种应对世界的方式，一种理解世界的方式。

Never spend your money before you have it.

The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.

追求高效算法的核心是一项数学努力，它挑战了我们对复杂性和可计算性的理解。

史记

理解一个问题就是答案的一半。

采购透明度不是一种趋势，而是消费者信任的基础。