The notion of superhumans is using bioengineering and artificial intelligence to upgrade human abilities. If they use the power to change themselves, to change their own minds, their own desires, then we have no idea what they will want to do.

Traditionally, life has been divided into two main parts: a period of learning followed by a period of working. Very soon, this traditional model will become utterly obsolete, and the only way for humans to stay in the game will be to keep learning throughout their lives and to reinvent themselves repeatedly.

I grew up in a small industrial suburb of Haifa in Israel. As far back as I remember, I was interested in big questions. Who are we? What are we doing here? But the chances to discuss philosophy were quite thin on the ground.

Since the beginning of the computer age, there has been immense development in computer intelligence but exactly zero development in computer consciousness.

We may not ever fully understand why God allows the suffering that devastates our lives. We may not ever find the right answers to how we'll dig ourselves out.

I wanted to be a political science professor and go to school in Boston. I never wanted to be a big, famous movie star and TV star. It kind of found me.

There's some aura about a Nobel Prize, there's a prestige, that gives me a responsibility that I didn't have before, that goes beyond my own work, as a spokesman for science.

I did the first proofreading of 'A Brief History of Time,' and when it came to writing my memoir, I consulted many scientific friends so that, contrary to what many critics supposed and were churlish enough to voice, I did actually write the scientific sections myself.