People who know what they’re talking about don’t need PowerPoint.

The Mona Lisa, to me, is the greatest emotional painting ever done. The way the smile flickers makes it a work of both art and science, because Leonardo understood optics, and the muscles of the lips, and how light strikes the eye - all of it goes into making the Mona Lisa's smile so mysterious and elusive.

Smart people are a dime a dozen. What matters is the ability to think different... to think out of the box.

if you can't keep him interested, that's your fault.

Good telling of human stories is the best way to keep the Internet and World Wide Web from becoming a waste vastland.

We're all swimming in this digital revolution that we live in.

I've always had an abundance of material about the subjects of my biographies.