Psychology must be based on observable phenomena, not abstractions.
简单不是缺乏复杂,而是对复杂的解决。
I want to liberate America from fear. I want people to be afraid of the things that are really scary, like war and famine, not their neighbor because he has a different religion.
数学家的工作大多是孤独的追求,但它建立在许多其他人的工作之上。
人生最重要的是活得开心,其他都是次要。
史记
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.