Billionaires should never be responsible for solving problems, because they're not the government.

So on the demand side [for energy], there have been a variety of policies that globally have been way over $50 billion a year of tax credits, raising the price of electricity through things like renewable portfolio standards, so the total amount of money that's gone into sending a price signal to push up demand versus what would happen without it has been gigantic.

Now you have to be a collaborator and you have to bring on governments and convince people.

Nobody has a guaranteed position in computer technologies business. We've done some good work, but all of these products become obsolete so fast and the structure of the business as it broadens out is going to be so different.

here are economies like China's economy where it's less than a tenth [of a percent] today, although it is growing, is quite small, because of the notion that the government takes care of everything, and Europe and China, philanthropy has not been nearly of the same scale.

Thanks to quality education, Israel is one of the most advanced countries in the world .. Israel is advancing in high-tech even more than other developed countries.

We need to start thinking about the future of food if we are going to feed 9 billion people in a way that does not destroy our environment.