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 literature, we find the truth of our own existence."

生活中最重要的事情是有一个清晰的愿景。

效法的人如果不仁义，我们就不可以效法他。治理国家，管理人民应当要以人为本，用仁义管理世俗。

Innovation in quarrying isn't just about new technology - it's about new thinking.

当你有能力采取行动时，你所采取的行动就是一个决定。