The belief that the world is getting worse, that we can't solve extreme poverty and disease, isn't just mistaken. It is harmful.

I don't think I would have spent time learning about the immune system if understanding vaccines weren't something I considered very important.

We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction.

Computers and games don't waste time - people do.

Don't let yourself be lulled into inaction.

When I walk into a grocery store and look at all the products you can choose, I say, "My God!" No king ever had anything like I have in my grocery store today.

Technology must be implemented as part of a thoughtful, holistic approach to education transformation that includes teacher training, relevant curricula, parental involvement, and programs for children that fill unmet needs for basics like nutrition and health care.