Getting ready for a global pandemic is every bit as important as nuclear deterrence and avoiding a climate catastrophe.

India is more of an aid recipient than a provider of aid.

I've always been amazed by Da Vinci, because he worked out science on his own. He would work by drawing things and writing down his ideas. Of course, he designed all sorts of flying machines way before you could actually build something like that.

The information society should serve all of its citizens, not only the technically sophisticated and economically privileged.

I think given all the different imperatives - getting energy to Africa, security of energy, climate change, that we should be spending half as much as we spend on health, which will get you all the way up to $15 billion - the health people don't like it when things get compared to their number.

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.

I believe innovation is the most powerful force for change in the world.