QUOTE : These ancient Atomists (who shared an awe for nature very similar to Carl Sagan’s in our own time) developed a full cosmology based on the theory that all things are made of elementary particles and void.4 They rejected all supernatural opinions, posited an early theory of relativity, developed a “doctrine of innumerable worlds,” and 2,300 years ago were speculating about extraterrestrial life based on their initial observations about the nature of things.