Make stuff that is good for people to have.

Children are the most honest critics; they will tell you exactly what they think.

我是自猫王以来最糟糕的事情，如此自私地做黑人音乐。

Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.

"The truth will set you free, but first it will piss you off."

The only thing I can do is to be honest about my uncertainty.