I think that what the machines can do, of course, is wonderful, but it's not the same as what the brain can do.

I don't know, but I think it's quite possible that the more science you teach kids in school the more it turns them off, so I don't know. I mean you never can tell which way it will go.

Many of the technologies that are now racing ahead most rapidly, replacing human workers in factories and offices with machines, making stockholders richer and workers poorer, are indeed tending to accentuate the existing inequalities in the distribution of wealth.

Climate change is part of the normal order of things, and we know it was happening before humans came.

The question that will decide our destiny is not whether we shall expand into space. It is: shall we be one species or a million? A million species will not exhaust the ecological niches that are awaiting the arrival of intelligence.

There is no way to find the best design except to try out as many designs as possible and discard the failures.

The public knows that human beings are fallible. Only people blinded by ideology fall into the trap of believing in their own infallibility.