Historians will consider this a dark age. Science historians can read Galileos technical correspondence from the 1590s but not Marvin Minskys from the 1960s.

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

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.

When a generation talks just to itself, it becomes more filled with folly than it might have otherwise.

Do what's good for humans, modeled on how humans already do things; ignore what's convenient for computers.

A library doesn't need windows. A library is a window.

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.