自然界的所有效应只是少数不变定律的数学结果。

Your golden ticket is being able to see things from other people's point of view. This shift enables heartfelt empathy. It also allows you to persuade others and it is the key to great design. Mastering the view through the eyes of others will unlock so many doors

数学不知道种族或地理边界；对于数学来说，文化世界是一个国家。

The act of writing is an act of resistance against the forces that seek to silence us.