It's energy intensification, where we essentially have, through our light bulbs and cars, the manpower of [hundreds of] people working on our behalf, helping our food being created, helping our materials like steel and plastic and wood and paper be created. Our lifestyles are incredibly energy intense.

I have a nice office. I have a nice house... So I'm not denying myself some great things. I just don't happen to have expensive hobbies.

I'm an investor in a number of biotech companies, partly because of my incredible enthusiasm for the great innovations they will bring.

Technology is unlocking the innate compassion we have for our fellow human beings.

I have $100 billion... You realize I could spend $3 million a day, every day, for the next 100 years? And that's if I don't make another dime.

Imagine the disincentive to software development if after months of work another company could come along and copy your work and market it under its own name...without legal restraints to such copying, companies like Apple could not afford to advance the state of the art.

I see little commercial potential for the Internet for at least ten years.