I can understand wanting to have millions of dollars; there's a certain freedom, meaningful freedom, that comes with that.

Software is a great combination between artistry and engineering. When you finally get done and get to appreciate what you have done it is like a part of yourself that you've put together. I think a lot of the people here feel that way.

Paul and I, we never thought that we would make much money out of the thing. We just loved writing software.

Anyone who spends their life on a computer is pretty unusual.

I'm not an educator ... I'm a learner.

I believe that every life is valuable. That we can make things better. That innovation is the key to a bright future. That we're just getting started.

By 2035, there will be almost no poor countries left in the world.