"If you're not enjoying writing it, the reader won't enjoy reading it."
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 goal of mathematics is to understand the patterns of the universe.
我们不需要更多标志性建筑，我们需要更多好建筑。