Eradications are special. Zero is a magic number. You either do what it takes to get to zero and you're glad you did it; or you get close, give up and it goes back to where it was before, in which case you wasted all that credibility, activity, money that could have been applied to other things.

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

The Green Revolution focused on the big three - maize, rice and wheat - and the Green Revolution did not adapt the big three to African conditions, other than South Africa, as much as they should have.

We flew down weekly to meet with IBM, but they thought the way to measure software was the amount of code we wrote, when really the better the software, the fewer lines of code.

The world today has 6.8 billion people...that's headed up to about 9 billion. If we do a really great job on vaccines, health care, reproductive health services, we could lower that by perhaps 10 to 15 percent.

You have the refugee crisis triggered by Syria. That's got a lot of costs associated with it. Domestically, budgets are incredibly tight because the economy's not generating the growth that makes for easy trade-offs.

When you have money in hand,only you forget who are you .But when you do not have any money in your hand,the whole world forget who you are.It's life.