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。
写作是一种疾病,而出版则是它的症状。
真理和清晰是互补的。
The man who does not value himself, cannot value anything or anyone.
You can do anything you set your mind to, man.