I remember my friend Johnny von Neumann used to say, 'with four parameters I can fit an elephant, and with five I can make him wiggle his trunk.'

The individual's biography is shaped by the historical and social context in which it is embedded.

人生的意义在于人自己赋予它的意义。

敢说的人，就做得到。

最重要的是保持韧性。

教育的回报比大多数人意识到的要高。