The questions are always more important than the answers.

I was hugely impressed... was the ultimate example of a man who knew what he didn't know, was perfectly willing to admit it, and didn't want to leave until he understood. That's heroic to me. I wish every grad student had that attitude.

Brick walls are there for a reason. The brick walls aren't there to keep us out. The brick walls are there to show us how badly we want things.

Never make a decision until you have to.

You will need to find your passion. Don't give up on finding it because then all you're doing is waiting for the Reaper.

It's a thrill to fulfill your own childhood dreams, but as you get older, you may find that enabling the dreams of others is even more fun.

Everyone has to contribute to the common good. To not do so can be described in one word: selfish.