数学不是关于数字、方程、计算或算法：它是关于理解的。

如果行善不是发自内心，那就不会长久。比如被捐款、被做义工等等，都是一锤子买卖，因为不是他自愿的。

A picture must be grasped at once, as a whole, like a piece of music.

自然界运行的规律就是，发展到尽头则走向反面，发展到极盛则走向衰落。

So I guess both Susan Boyle and this vegetable vendor in Shanghai belonged to otherness. They were the least expected to be successful in the business called entertainment, yet their courage and talent brought them through. And a show and a platform gave them the stage to realize their dreams.