为了练习，神首先造了傻子，然后祂创造了教育委员会。

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.

The truth is rarely pure and never simple.

把抑郁症患者当作只是感到悲伤来对待是没有意义的，说‘好了，坚持住，你会挺过去的。’悲伤或多或少像感冒——有耐心，它会过去。抑郁症就像癌症。