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.
Sometimes a thing is broken and cannot be put back together.
You can't please everyone, so just be yourself.
直到某些意外事件从外部触发,人们才会突然意识到真相。