I don’t know why I love you. But I do.
The key to successful investing is to have the right temperament.
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。
In the world of physics, we often find that the simplest questions are the hardest to answer.
你必须熬过一些糟糕的日子才能赢得人生中最美好的日子
Geometry is knowledge of the eternally existent.