Intelligence is the ability to adapt to change.

We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inwards at ourselves on a small and increasingly polluted and overcrowded planet.

Speech has allowed the communication of ideas, enabling human beings to work together to build the impossible. Mankind's greatest achievements have come about by talking, and its greatest failures by not talking. It doesn't have to be like this. Our greatest hopes could become reality in the future. With the technology at our disposal, the possibilities are unbounded. All we need to do is make sure we keep talking.

I think the universe was spontaneously created out of nothing, according to the laws of science. It has no beginning and no end.

We could call order by the name of God, but it would be an impersonal God. There's not much personal about the laws of physics.

People think I'm a Simpsons character.

Half the battle is just showing up.