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。
The more successful I become, the more I need a man.
The past is a shadow that follows us, always present, always haunting.
【释义】物以类聚，相同的事物会相互招引；气质相投的人自然会结合，频率相同的声音会产生共鸣。