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

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

[Wind energy] takes a very large footprint on the land, five to 10 times what you'd use for nuclear, and typically to get one gigawatt of electricity is on the order of 250 square miles of wind farm.

The point is to explore whatever may be helpful for thinking, understanding, and acting responsibly over long periods of time.

The technology of synthetic biology is currently accelerating at four times the rate of Moore's Law. It's been doing that since 2005, and it's likely to continue.

As you gain elevation [on the mountain] your IQ goes down - but your emotional affect goes up, which is great for having a mythic experience, whether you want to or not.