数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
存在不是谓词,而是谓词得以可能的给予。
When you are young, you think you will be happy when you are older. But then you get older and you realize you were happy when you were young.