Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
The mind is not a thing, but a process.
I think the most important thing in life is to be true to yourself.
The context is the starting point of any project.
自然实验是理解现实世界中因果关系的强大工具。
You must trust and believe in people, or life becomes impossible.
Our greatest ability as humans is not to change the world, but to change ourselves.