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.

How can I throw my life away in the least unhappy way?

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

This is pretty much the infrastructural stuff that comes along with large quantities of energy. Whichever technology we are looking at has serious hazardous issues.

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.

On the one hand information wants to be expensive, because it's so valuable. The right information in the right place just changes your life. On the other hand, information wants to be free, because the cost of getting it out is getting lower and lower all the time. So you have these two fighting against each other.

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