Treat your password like your toothbrush. Don't let anybody else use it, and get a new one every six months.

For years, we've been bludgeoned with the cliche "information is power." But information isn't power. After all, who's got the most information in your neighborhood? Librarians. And they're famous for having no power at all. And who has the most power in your community? Politicians. And they're notorious for being ill-informed.

The first time you do something, it's science. The second time, it's engineering. The third time, it's just being a technician. I'm a scientist. Once I do something, I want to do something else.

The Internet has no such organization - files are made available at random locations. To search through this chaos, we need smart tools, programs that find resources for us.

When I'm online, I'm alone in a room, tapping on a keyboard, staring at a cathode-ray tube.

Data is not information, Information is not knowledge, Knowledge is not understanding, Understanding is not wisdom.

If you really want to know about the future, don't ask a technologist, a scientist, a physicist. No! Don't ask somebody who's writing code. No, if you want to know what society's going to be like in 20 years, ask a kindergarten teacher.