We believe in ordinary acts of bravery, in the courage that drives one person to stand up for another.
数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。
A writer is a person who is not satisfied with the world as it is, who wants to change it, to improve it, to make it more beautiful, more just, more livable.
You can’t lead people if they don’t believe you care about them.
