There's no unemployment in squatter cities. Everyone works. One-sixth of humanity is there. It's soon going to be more than that.

A library doesn't need windows. A library is a window.

Humans have made a huge hole in nature in the last 10,000 years. [With de-extinction,] we have the ability now, and maybe the moral obligation, to repair some of the damage.

If you don't like bacteria, you're on the wrong planet.

Once a new technology rolls over you, if you're not part of the steamroller, you're part of the road.

A building is not something you finish. A building is something you start.

The great problem with the future is that we die there. This is why it is so hard to take the future personally, especially the longer future, because that world is suffused with our absence.

All buildings are predictions. All predictions are wrong.

If all of your electricity in your lifetime came from nuclear [energy], the waste from that lifetime of electricity would go in a Coke can.

One advantage of a solar collector in space: It would be some kind of origami thing that would unfold and be relatively light because it doesn't have gravity to deal with.

Do what's good for humans, modeled on how humans already do things; ignore what's convenient for computers.

Prayer for revival will prevail when it is accompanied by radical amendment of life; not before.

Do we still have to floss?" Tommy asked. "I mean, what's the point of being immortal if we have to floss?

I do have high expectations, like anyone does. I expect myself to do well. It comes with all of the work I've put in and what I expect from that work.

Keep your eyes wide open before marriage, and halfway closed there after.

Inauguration Security was tighter than Kirstie Alley in a pair of spandex pants.

Something changed. Somewhere along the line you stopped accelerating.

The one thing we do not know is the limit of the knowable.

Stop telling God how big your problems are and start telling your problems how big your God is.

I don't feel that I was a Hollywood-created star.

The whole world and every human being in it is everybody's business.