You can't manage what you don't measure, and you can't improve what you don't manage.

How will you use these gifts？ And will you take pride in your gifts or pride in your choices？

每一代人都认为自己比前一代人更聪明，比后一代人更明智。

The molecules that mediate pain are ancient, revealing how deeply rooted this sensation is in evolution.

Your smarts will come in handy because you will travel in a land of marvels. We humans -- plodding as we are -- will astonish ourselves. We'll invent ways to generate clean energy and a lot of it. Atom by atom， we'll assemble tiny machines that will enter cell walls and make repairs. This month comes the extraordinary but also inevitable news that we've synthesized life. In the coming years， we'll not only synthesize it， but we'll engineer it to specifications. I believe you'll even see us understand the human brain. Jules Verne， Mark Twain， Galileo， Newton -- all the curious from the ages would have wanted to be alive most of all right now. As a civilization， we will have so many gifts， just as you as individuals have so many individual gifts as you sit before me.

经济周期不仅仅是围绕某个平滑趋势的波动，而是经济受到根本性冲击的结果。

君子的学问，从来不会脱离实践去空谈认识，这是必然的。