心平愉，则色不及佣而可以养目，声不及佣而可以养耳，蔬食菜羹而可以养口，粗布之衣、粗紃之履而可以养体，屋室、芦庾、葭稾蓐、尚机筵而可以养形。
保持心情愉悦，就是人生的一大智慧。看到的东西不那么养眼也觉得可饱眼福，听的音乐不怎么好听也觉得可以享受，只吃蔬菜就能满足口腹之欲，穿的、住的很粗糙也能满足身体的需要。人穷一时，但心不穷，真正的穷养富养或许不完全是物质方面的，即使物质生活条件差，只要保持积极乐观的心态，心情保持愉快，可以弥补物质上的不足。正如孔子赞扬颜回“一箪食，一瓢饮，回也不改其乐”。
它还会告诉你做到这一点是多么容易。只需购买整个股票市场。然后，一旦你买了股票，就离开赌场，留在外面。只要永远持有市场投资组合。这就是指数基金所做的。这种投资理念不仅简单而优雅。它所依据的算术是无可辩驳的。但要遵循它的纪律并不容易。
The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.
The human being is born with a few reflexes and the emotional reactions of love and rage.
The unexamined life is not worth living.
La poesía es la única prueba concreta de la existencia del hombre.
"Causal inference requires careful thought about the assumptions underlying your analysis."
小说的艺术就是同时置身事内与事外的艺术。
A creative man is motivated by the desire to achieve, not by the desire to beat others.