Success is not about the money you make, it's about the difference you make in people's lives.
成功不在于你赚了多少钱，而在于你对人们生活的影响。
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.
In business, if you're not moving forward, you're falling behind.
People must feel that the natural world is important and valuable and beautiful and wonderful and an amazement and a pleasure.
"Picture books are the first art gallery many children ever visit."