The Noah rule: Predicting rain doesn't count; building arks does.

It's very clear that AI is going to change literally every job. Maybe there's a job in the world that AI won't change, but I haven't thought of it.

The Moon Village concept has a nice property in that it basically just says, 'Look, everybody builds their own lunar outpost, but let's do it close to each other.' That way... you can go over to the European Union lunar outpost and say, 'I'm out of eggs. What have you got?'

I very much believe the Internet is indeed all it is cracked up to be.

I do not believe in a major war this year because the French army at present is as large as that of Germany and far more mature. But next year and the year after may carry these Dictator-ridden countries to the climax of their armament and of their domestic embarrassments. We shall certainly need to be ready then.

When we build our own colonies, we can do them in near-Earth vicinity, because people are going to want to come back to Earth. Very few people - for a long time, anyway - are going to want to abandon Earth altogether.