The beauty of a living thing is not the atoms that go into i... - Carl Sagan, Cosmos

"The reappearance of the crescent moon after the new moon; the return of the Sun after a total eclipse, the rising of the Sun in the morning after its troublesome absence at night were noted by people around the world; these phenomena spoke to our ancestors of the possibility of surviving death. Up there in the skies was also a metaphor of immortality."

"When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion."

"If you wish to make an apple pie from scratch, you must first invent the universe."

"There are many hypotheses in science which are wrong. That’s perfectly all right: it’s the aperture to finding out what’s right. Science is a self-correcting process."

"The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together."