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

相信自己，相信你的一切。

I strongly believe that missionaries make better products. They care more. For a missionary， it's not just about the business. There has to be a business， and the business has to make sense， but that's not why you do it. You do it because you have something meaningful that motivates you.

You must have the eyes of an abyss to gaze into the abyss.