The truth is rarely pure and never simple.
心理学必须是一门实用的科学，关注心理运作的方式和原因。
The highest goal of education is not knowledge, but action.
Each generation takes the earth as trustees.
When I got to 40 or so... I had the sense when I looked back over my life I would actually see a mess of decisions， a few of which I had thought about， some of which I had sort of stumbled on， and many that I had no control over whatsoever.
"Every story is a lie until someone believes it."
The dialogue between old and new is what gives a city its richness.