[S]cience has itself become a kind of religion.

It is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science.

We were wanderers from the beginning.

I'd like the [Cosmos] series to be so visually stimulating that somebody who isn't even interested in the concepts will just watch for the effects. And I'd like people who are prepared to do some thinking to be really stimulated.

To read is to voyage through time.

And you are made of a hundred trillion cells. We are, each of us, a multitude.

We humans look rather different from a tree. Without a doubt we perceive the world differently than a tree does. But down deep, at the molecular heart of life, the trees and we are essentially identical.