自信来自内心，是你每天都要建立的东西。
Confidence comes from within, and it's something you have to build every day.
I'm not perfect, but I'm always me.
The world is a tragedy to those who feel, but a comedy to those who think.
永远看看你还剩下什么。永远不要看你失去了什么。
The best way to learn mathematics is to do mathematics.
The best performance improvement is the transition from the nonworking state to the working state.
When power is scarce, a little of it is tempting.
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
