Interfaces keep things tidy, but don't accelerate growth: Functions do.
接口可以使事情保持整洁，但不能加速增长：函数可以做到。
The quality of government is more important than the form of government.
The language of mathematics is universal, transcending cultural and linguistic barriers.
记住，声誉和正直是你最宝贵的资产——而且可能一瞬间就丧失。