What I remember above all about Harvard was being in the midst of so much energy and intelligence. It could be exhilarating, intimidating, sometimes even discouraging, but always challenging. It was an amazing privilege…and though I left early, I was transformed by my years at Harvard, the friendships I made, and the ideas I worked on.

The mind is a dynamic interplay of processes.

The next generation won't ask what we said—they'll ask what we did.

If you are free, you are not predictable.

玉米是必需品，银子只是多余的。