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.

I don't know how to not have fun. I'm dying and I'm having fun, and I'm going to keep having fun every day I've got left.

I think the only advice I can give you on how to live your life well is, first off, remember... it's not the things we do in life that we regret on our deathbed, it is the things we do not.

If your kids want to paint their bedrooms, as a favor to me, let 'em do it.

I'm a professor. I know that people in research labs can do miraculous things if they're given the resources.

We cannot change the cards we are dealt, just how we play the game.