我写作是为了理解这个世界，给它一个形状，一个形式。
I write to make sense of the world, to give it a shape, a form.
The only way to do great work is to love what you do.
数学是一门艺术，作为艺术家，你必须对自己诚实。
Trust is the expectation that arises within a community of regular, honest, and cooperative behavior, based on commonly shared norms, on the part of other members of that community.
The poor perpetually sell their time cheaply, yet can never buy it back.