I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.

The human failing I would most like to correct is aggression. It may have had survival advantage in caveman days, to get more food, territory or a partner with whom to reproduce, but now it threatens to destroy us all.

Most sets of values would give rise to universes that, although they might be very beautiful, would contain no one able to wonder at that beauty.

Many people do not like the idea that time has a beginning, probably because it smacks of divine intervention.

God not only plays dice, he throws them in the corner where you can't see them.

The rate of progress is so rapid that what one learns at school or university is always a bit out of date. Only a few people can keep up with the rapidly advancing frontier of knowledge, and they have to devote their whole time to it and specialize in a small area. The rest of the population has little idea of the advances that are being made or the excitement they are generating.

I have experimental evidence that time travel is not possible.