领导力在于让他人因你的存在而变得更好,并确保这种影响在你离开后依然持续。
It is greed and thirst for power that brings wars and trouble to the world.
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.