一个理论的前提越简单，它关联的不同事物越多，其适用范围越广，这个理论就越令人印象深刻。

The only thing that scares me more than space aliens is the idea that there aren't any space aliens. We can't be the best that creation has to offer. I pray we're not all there is. If so, we're in big trouble.

每个数学问题都有一个解决方案；只是需要时间和努力去找到它。

Silence is not the absence of something but the presence of everything.