I consider myself an inventor, entrepreneur, and author.

Death gives meaning to our lives. It gives importance and value to time. Time would become meaningless if there were too much of it.

We only have to capture 1/10,000th of the solar energy landing on earth to completely satisfy all our energy needs.

Machines will follow a path that mirrors the evolution of humans. Ultimately, however, self-aware, self-improving machines will evolve beyond humans' ability to control or even understand them.

Play is just another version of work

Sometimes people talk about conflict between humans and machines, and you can see that in a lot of science fiction. But the machines were creating are not some invasion from Mars. We create these tools to expand our own reach.

We'll be able to have very intelligent, little robots with computers going inside our bloodstream, keeping us healthy from inside, destroying cancer at the level of one cell.