Going out in the field, it's always enlightening to see what's working and what's not and to sit down and talk - I was with young girls in south Africa - understanding why our tools for prevention aren't being adopted, and what way may need to invent to help protect them.

Being maniacal about something is very helpful.

You will NOT make $60,000 a year right out of high school. You won't be a vice-president with a car phone until you earn both.

When you revolutionize education, you're taking the very mechanism of how people be smarter and do new things, and you're priming the pump for so many incredible things.

When you want to do your homework, fill out your tax return, or see all the choices for a trip you want to take, you need a full-size screen.

If you believe that all men are created equal, then a child's death in some other country is no less tragic than in the United States.

Nobody spends any money on smallpox unless they worry about a bio-terrorist recreating it.