Sometimes you may feel like you’re not good enough, but you are.
有时候你可能觉得自己不够好，但你是足够的。
I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left.
写作是一种政治行为，因为它揭露了隐藏的东西。
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：它是关于理解的。
人们还往往把真理和错误混在一起去教人，而坚持的却是错误。
真相总在他处。
In all things， it is necessary to create a system.