You know a guy a longtime, and I mean really know him, you don't get used to the idea that he's dead just overnight.

Maybe the two different worlds we lived in weren't so different. We saw the same sunset.

nothing can wear you out like caring about people

To deal with a 14-dimensional space, visualize a 3-D space and say 'fourteen' to yourself very loudly. Everyone does it.

I think we should think of AI as the intellectual equivalent of a backhoe. It will be much better than us at a lot of things.

They grew up on the outside of society. They weren't looking for a fight. They were looking to belong.

In science, you can say things that seem crazy, but in the long run they can turn out to be right. We can get really good evidence, and in the end the community will come around.

If you have two friends in your lifetime, you're lucky. If you have one good friend, you're more than lucky

I refuse to say anything beyond five years because I don't think we can see much beyond five years.

I lie to myself all the time. But I never believe me.

Backhoes can save us a lot of digging. But of course, you can misuse it.

When one may pay out over two million dollars to presidential and Congressional campaigns, the U.S. government is virtually up for sale.

Reality is one of the possibilities I cannot afford to ignore

To believe that there is no God takes infinitely more faith than to believe God exists, because all the evidence must be ignored. Atheism is the epitome of blind faith.

Idleness is the holiday of fools.

Most of my projects seem to start as exploratory journeys with no visible end in sight.

Never believe in any faith younger than you are.

There's a personal story of my own that I will write at some point, and it's a film that I will happily make. It could very well be the next thing I do, unless someone shows me something great.

Our children are the gift we give the world we'll never see.

Our military should be trained and structured around missions, not the elements of air, water, and land.

Running down on a way of life our fighting men have fought and died to keep. If you don't love it, leave it.