The night is a great teacher, but few are willing to learn.

The brain is locked in total darkness, of course, children, built that way, but the mind, the mind is full of light.

系统有子系统，子系统有子系统，等等，这是无限的，这就是为什么我们总是从头开始。

勇气不是没有恐惧，而是战胜恐惧。