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.

Without democracy there is no freedom. Violence, no matter who is using it, is always reactionary.

If we're going to ask our kids at age 18 to go off to war and die for their country, I don't see any problem with asking them at age 16 to think about what that might mean.

I will not attempt to deny the reasonableness and necessity of a party war; but in carrying on that war all principles and rules of justice should not be departed from.

I believe that the war against terrorism and the war against poverty in these times of turmoil go together. So you - when you fight one, you have to fight the other.