我们需要将软件不仅仅视为代码，而是可以分析和验证的数学对象。

自然必须通过感受来体验。

A house is a machine for living, but it must also be a home.

Happiness is not something that happens. It is not the result of good fortune or random chance. It is not something that money can buy or power command. It depends not on what happens outside of you, but on what happens inside of you.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

The supreme question about a work of art is out of how deep a life does it spring.

每个故事都是一次旅程，不仅对角色如此，对敢于踏上这段旅程的读者也是如此。