I believe that the world will be a safer place if there is enough food to go around, that it will be a more stable place if children grow up with opportunities instead of frustrations. Furthermore, I can only assume that if the United States plays a role in helping to create prosperous societies, we will have friends to call on in times of need.

The malaria parasite has been killing children and sapping the strength of whole populations for tens of thousands of years. It is impossible to calculate the harm malaria has done to the world.

You can make money and you can make excuses, but you can never make money out of excuses

What are the top 20 universities in the world that do good materials research that might create carbon fibers to do jet stream kites or new magnets that will allow [energy] generation to be done up there and you just bring the electricity down. You either have to bring down rotational energy, which is hard, or you have to have the generator up there and bring down the electricity. Well, putting the generator up there is hard to do because it's too heavy.

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.

When the PC was launched, people knew it was important.

Married life is a simpler life. Who I spend my time with is established in advance.