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.

Vaccination is pretty special because you can do a vaccination campaign anywhere in the world. All you are doing is gathering women from the villages, getting them the vaccines and asking them to go around and find the children.

Five years from now on the Web for free you’ll be able to find the best lectures in the world. It will be better than any single university.

There's a basic philosophy here that by empowering...workers you'll make their jobs far more interesting, and they'll be able to work at a higher level than they would have without all that information just a few clicks away.

Microsoft Research has a thing called the Sense Cam that, as you walk around, it's taking photos all the time. And the software will filter and find the ones that are interesting without having to think, 'Let's get out the camera and get that shot.' You just have that, and software helps you pick what you want.

The genius of capitalism lies in its ability to make self-interest serve the wider interest. The potential of a big financial return for innovation unleashes a broad set of talented people in pursuit of many different discoveries. This system, driven by self-interest, is responsible for the incredible innovations that have improved so many lives.

The microprocessor is a miracle.