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.
Trust is built when actions align with words.
释义:只有经过艰苦的努力和考验,才能发现或创造出价值重大的事物。