写作没有什么秘诀。你所要做的就是坐在打字机前，然后流血。

Reason is immortal， all else mortal.

I always say you could publish my trading rules in the newspaper and no one would follow them. The key is consistency and discipline.

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.

The only certainty is uncertainty.