Psychology should illuminate how we cope with our environment.

When I see someone wasting a glass of water, I think of those who don't have water on Earth.

The truth is a weapon, and like any weapon, it can be used for good or ill.

你爱得越多，你就能爱得越多——而且你爱得越强烈。

古代学者在内心涵养上下功夫，所以表现在外表上便是德高望重的标志；今天的学者在外表上下功夫，对于内心涵养，则显出实际德行的缺陷。

语言是思想的皮肤。

The realities are that, you know, as a black man, Barack can get shot going to the gas station.

The best way to predict the future is to create it.