I didn't used to wear a watch. Now I have a SPOT watch, which I wear all the time.

Technology is unlocking the innate compassion we have for our fellow human beings.

You always overestimate what you can get done in a year and underestimate what you can get done in 10 years.

So not only are we saving lives now, we're creating the incentive for the breakthroughs that over the next generation will mean we can take AIDS, malaria and TB and bring those numbers dramatically down.

Life is not a continuous process, there's some sort of finite number of achievements that defines your life.

Never before in history has innovation offered promise of so much to so many in so short a time.

I think given all the different imperatives - getting energy to Africa, security of energy, climate change, that we should be spending half as much as we spend on health, which will get you all the way up to $15 billion - the health people don't like it when things get compared to their number.