Our biggest technology that we ever, ever invented was articulated language with built-out grammar. It is that that allows us to imagine things far in the future and things way back in the past.

Some people mistakenly think nature is very nice and benevolent and never betrays.

Extreme good, extreme evil: the abilities required are similar.

We thought we were running away from the grownups, and now we are the grownups.

We are silent, considering shortfalls. There's not much time left, for us to become what we once intended. Jon had potential, but it's not a word that can be used comfortably any more. Potential has a shelf-life.

If all fossil fuel were to go POOF! tomorrow, the result would be a cataclysmic social upheaval, with food riots, warlords, shutdowns, breakdown of social order, water shortages, and outbreaks of bloodshed and disease.

I grew up amongst biologists.