People need meaning as much as they need air. Lucky for us, we can give meaning to each other for free. Just by being alive.

Robots should stand up for themselves and not try to be humans. They should either utterly destroy us or protect us from aliens. And vampires. And pirates.

Luckily, unreasonable expectations go hand in hand with naive young scientists. The more naive the better - otherwise we would never have the audacity to try and build a 22,000-mile-high space elevator or some sprawling underwater hotel.

How much change can a person absorb before everything loses meaning Living for its own sake isn't life. People need meaning as much as they need air.

You don't want to stand too close to a robot arm; it can turn your head to mush.

I absolutely don't think a sentient artificial intelligence is going to wage war against the human species.

If the knowledge is spread, it cannot be stamped out.