写文章必须追溯六经的源头，并参考诸子百家和史书的写法。

The only thing that stands between you and your dream is the will to try and the belief that it is actually possible.

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.

If you're going to build a brand, you have to be relentless in your pursuit of excellence.