真相很少是纯粹的，也从不简单。

A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.

The best way to gain self-confidence is to do what you are afraid to do.

 我们奋力前行，小舟逆水而上，不断地被浪潮推回到过去。

不存在能力、天赋、气质、心理素质和特征的遗传。