数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
When in doubt, use brute force.
I never give up. I keep fighting until the end.
The final test of a novel is whether you care so much for the people that you want to know what happens to them next.
To lose a language is to lose a way of seeing the world.