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.

不修养品德，不讲习学问，听到正义不能追随，有缺点不能改正，这些都是我所忧虑的。

一生的特权就是成为真正的自己。

Leadership in forestry means having the courage to make decisions that will outlast your tenure.