There are people who don't like capitalism, and people who don't like PCs. But there's no-one who likes the PC who doesn't like Microsoft.

Music, even with these dial-up connections you have to the Internet, is very practical to download.

Patience is a key element of success.

I think Ebola is a great example of where the world really needs to come together. The three countries where this outbreak took place have had a lot of civil war, very weak health systems. And so, it did take a while for people to understand ....that eventually what we saw was a very unique Ebola epidemic. I think it is quite impressive what's being pulled together, and I think we will be able to get this under control.

Although I don't have a prescription for what others should do, I know I have been very fortunate and feel a responsibility to give back to society in a very significant way.

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.

We believe the world changes when the boldest thinking is directed at the toughest problems