A human body is a conversation going on, both within the cells and between the cells, and they're telling each other to grow and to die; when you're sick, something's gone wrong with that conversation.

Technology is everything that doesn’t work yet.

I am convinced that we humans are just at the beginning of our journey, on our way to becoming something more wonderful than we can imagine.

The computers are in control. We just live in their world.

A novice was trying to fix a broken Lisp machine by turning the power off and on. Knight, seeing what the student was doing, spoke sternly: "You cannot fix a machine by just power-cycling it with no understanding of what is going wrong." Knight turned the machine off and on. The machine worked.

If you hear an expert talking about the Internet and saying it [does] this, or it will do that, you should treat it with the same skepticism that you might treat the comments of an economist about the economy or a weatherman about the weather.

Your genome knows much more about your medical history than you do.