数学不仅仅是数字和方程；它是关于理解宇宙中的深层模式和联系。

I used to think the world was broken down by tribes. Then I thought it was broken down by rich and poor. Then I thought it was broken down by stupid and smart. But I know now that it is broken down by people who are alive and people who are dead.

Speak confidently as if you are right， but listen carefully as if you are wrong.