Giving money effectively is almost as hard as earning it in the first place.

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.

As we have taken diarrhea and pneumonia down, even malaria down quite a bit, the portion of the days that are very early in that 5 years - the first month, the first day - it's about half now. Yet that's the part we understand the least.

I'm certainly well taken care of in terms of food and clothes ... Money has no utility to me beyond a certain point. Its utility is entirely in building an organization and getting the resources out to the poorest in the world.

Creative capitalism takes this interest in the fortunes of others and ties it to our interest in our own fortunes in ways that help advance both. This hybrid engine of self-interest and concern for others can serve a much wider circle of people than can be reached by self-interest or caring alone.

Depending on where you live, cooking, sex and pooping are either 3 of life's pleasures or what kills you

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.