"That's the thing about pain. It demands to be felt."
The man who removes a mountain begins by carrying away small stones.
"Every character is a world, and every world is a question."
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
數(shù)學(xué)不是關(guān)于數(shù)字、方程、計(jì)算或算法的：它是關(guān)于理解的。
在數(shù)學(xué)的世界里，想象力比知識(shí)更重要。
優(yōu)化阻礙了發(fā)展。