无论是正确的还是错误的，经济学家和政治哲学家的思想都比通常理解的有力。确实，世界不受其他任何事物统治。自信不被知识分子影响的那些所谓务实的人，往往只是几个过时经济学家思想的奴隶。（Concluding Notes. p. 383-384）

成功是跌倒九次，然后站起来十次。

任何作品的初稿都是狗屎。

预测未来的最好方法就是创造未来。

你的时间有限，所以不要浪费时间去过别人的生活。

释义：自满易导致失败，自夸实则愚蠢，自我伤害会招致灾祸。

The business of education is not to make the young perfect in any one of the sciences, but so to open and dispose their minds as may make them capable of any, when they shall apply themselves to it.

"Causal inference requires careful thought about the assumptions underlying your analysis."

They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'