Civilization’s shortening attention span is mismatched with the pace of environmental problems.

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.

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

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

Information wants to be free. Information also wants to be expensive.

There should always be in sight the draw — a kind of a beacon that draws you on through the labyrinth.