I think the human race has no future if it doesn't go into space.

It often happens that I have an idea, but then I try to fill in the intermediate steps and find they don't work, so I have to give it up.

The thing about smart people is that they seem like crazy people to dumb people.

There is a real danger that computers will develop intelligence and take over. We urgently need to develop direct connections to the brain so that computers can add to human intelligence rather than be in opposition.

Once I wept for I had no shoes. Then I met a man with no feet, so I took his shoes. I mean, it wasn't as if he was going to need them.

There should be no boundaries to human endeavor. However bad life may seem, there is always hope.

It was recently discovered that research causes cancer in rats.