The main problem with solar on the Earth's surface is that it is so intermittent, and we don't have decent storage yet.

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.

Don’t accept a life that has been molded for you by others because eventually you’ll succumb to its falseness.

if you can live life you believe in, you will have everything you need to reach your dream.

You spend so much of your life basing yourself on what you think other people think of you. Then you realise that maybe one of the purposes of life is not to care.

The law of the survival of the fittest led inevitably to the survival and predominance of the men who were effective in war and who loved it because they were effective.

The very madness of the scheme protects it.

But now that she was my apprentice, every such thought caused a guilty twitch in my neck, as if someone had dropped a sleek, stinky ferret there. Guilt ferrets are bastards.

I shall die, but I will not kill.

There are so many things in human living that we should regard not as traumatic learning but as incomplete learning, unfinished learning.

In an evolutionary perspective, the rational mind takes a certain distance and no further, & we must be able to transcend it.

Chaos, when left alone, tends to multiply.