应该忧虑的是自身不好，而不该忧虑别人不了解自己。《老子》中说“知人者智也，自知者明也。”人生要多些反思，也要多些扪心自问，看清自己更重要。
韩寒谈北京海淀区
The goal of mathematics is to understand the structures that underlie the phenomena we observe.
要有继续追逐梦想的勇气。
Creativity in science comes from connecting ideas that others haven't thought to connect.