You should write, first of all, to please yourself. You shouldn't care a damn about anybody else at all.
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。
有限的游戏是为了输赢。无限的游戏是为了让游戏继续。应该去寻找无限的游戏，因为它们会产出无限的收益。
The function of freedom is to free someone else.
