读书人如同国家的宝物，儒生就像宴席上的佳肴一样，值得珍重。

规模和价值效应在不同的市场和时间段中普遍存在。

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.

I don’t need a crown to know I’m a king.