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It has been discovered that all the world is made of the same atoms, that the stars are of the same stuff as ourselves. It then becomes a question of where our stuff came from. Not just where did life come from, or where did the earth come from, but where did the stuff of life and of the earth come from?

The only thing I know is that we came from the stars, and that we have the same material as the stars. That's all that I know. Everything else I don't know.

Big Bang gave us hydrogen and helium. We couldn't make people out of hydrogen and helium. So we're made out of exploding stars.

We are all made up of stars and all of us are billions of years old - that's what I believe, at least.

The universe starts off with the Big Bang theory, and the first thing that emerged from the Big Bang is essentially hydrogen and then helium. And that's what combusts in stars. Finally, stars implode, and they build heavier elements out of that. And those heavier elements are reconstituted in the heart of other stars, eventually.

The most remarkable discovery in all of astronomy is that the stars are made of atoms of the same kind as those on the earth.

We, all of us, are what happens when a primordial mixture of hydrogen and helium evolves for so long that it begins to ask where it came from.

We have always existed in different forms - carbon, oxygen, water, heat. Maybe Heaven is this brief period when the elements realize they're alive.

We are not made up, as we had always supposed, of successively enriched packets of our own parts. We are shared, rented, occupied. At the interior of our cells, driving them, providing the oxidative energy that sends us out for the improvement of each shining day, are the mitochondria, and in a strict sense they are not ours.

It is true that we are made of dust. And the world is also made of dust. But the dust has motes rising.