"The Internet is a revolution. It's going to change the way we live, the way we work, the way we learn."

"If you want to change the world, you have to be willing to take risks."

"People always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten."

"An outrageous lie."

"Until we can get rid of malaria and tuberculosis, and all these diseases that are so terrible in poor countries, that's going to be my total focus."