发现可能性的极限的唯一方法就是超越它们进入不可能。

The real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

The future is not a gift. It is an achievement.

The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success.

We shall never prevent the abuse of power if we are not prepared to limit power in a way which occasionally may prevent its use for desirable purposes.