心灵不是需要填满的容器，而是需要点燃的火种。
The mind is not a vessel to be filled, but a fire to be kindled.
检验一个经济学家是否优秀的标准，是看他能否比别人更好地解释过去。
Don't look for the needle in the haystack. Just buy the haystack!
The more you know yourself, the more patience you have for what you see in others.
The deepest theorems often arise from the simplest observations.
我认为不能比较不同的时代。每个时代都有自己的挑战和独特之处。