模型最重要的不是其假设，而是其结论。
A work of art is complete when nothing can be added or taken away without damaging it.
Becoming fearless isn't the point. That's impossible. It's learning how to control your fear, and how to be free from it.
Every challenge is an opportunity in disguise.
The history of mathematics is a history of human curiosity and ingenuity.
相信自己，一切皆有可能。
The best ideas often come from challenging the status quo.