Long-term sustainable change happens if people discover their own power.
It is not really work if you are having fun.
I started eBay as an experiment, as a side hobby basically, while I had my day job.
In the same way that you're driven in your business to keep innovating - Facebook is a wonderful example of constant innovation - think about doing that in philanthropy.
Everyone is born equally capable but lacks equal opportunity.
I want people to be entrepreneurs, but I want them to do it for the right reasons, because they think they can change the world, because they think they have got something of value to give to the world. Not because they think they can make a lot of money.