个体是唯一的现实。我们离个体越远，我们就变得越抽象和不真实。

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.

看见即遗忘所见之物的名称。

We are all strangers, even to ourselves.

Good can exist without evil， whereas evil cannot exist without good.

预测未来的唯一方法就是创造未来。