If you're a guest [at my $113 million house], you'll be able to call up on screens throughout the house almost any image you like - presidential portraits, reproductions of High Renaissance paintings, pictures of sunsets, airplanes, skiers in the Andes, a rare French stamp, the Beatles in 1965.

The misconception that aid falls straight into the hands of dictators largely stems from the Cold War era.

Americans want students to get the best education possible. We want schools to prepare children to become good citizens and members of a prosperous American economy.

In 80% of the world, energy will be bought where it is economic. You have to help the rest of the world get energy at a reasonable price.

I don't think culture is something you can describe.

When I was young I liked taking tests. I happened to be good at it. Certain subjects came easily, like math. All the science stuff. I would just read the textbooks in the first few days of class.

Success is a lousy teacher. It makes you think you know what you're doing.