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.

In Afghanistan, there is a plan to build democracy; hundreds of thousands of troops are protecting it. There is a plan to rebuild and reconstruct there. But many thousands of Americans die from violence and poverty every year and we don't have a plan for reconstruction at home.

I've started several small businesses myself and know that it is tough out there for the little guy in the global economy. I came to the conclusion that, oftentimes, the best thing the government can do for small business is to stay out of the way.

What creates freedom? A revolution in the streets? Mass protest? Civil war? A change of government? The ousting of the old guard and its replacement by the new? History, more often than not, shows that hopes raised by such events are often dashed, sooner rather than later.

The government can help, but we need to make this transition now to a recovery led by private investment, private.