Vaccines are extremely well tested; their safety is well understood. The false allegations about vaccines causing autism have been disproven. But there are still echoes out there confusing people.

My success, part of it certainly, is that I have focused in on a few things.

If you think your teacher is tough, wait till you get a boss.

People can criticize Microsoft for supporting this TV thing for the past eight years, but it is a long-term bet, There is not any other software business that is as dedicated to the vision of the TV and the PDA [personal digital assistant] as we are.

Outlook 2003 did create the idea of search folders and the whole Longhorn philosophy. You can see it at work in search folders, where instead of having to drop things into individual folders, and things exist only in one folder, you create these search folders and you have the criteria for the search folder.

Success is a lousy teacher. It makes you think you know what you're doing.

What destroys more self-confidence than any other educational thing in America is being assigned to some remedial math when you get into some college, and then it's not taught very well and you end up with this sense of, 'Hey, I can't really figure those things out.'