More quotes by Carl Sagan, Cosmos

"We are a way for the cosmos to know itself."
"If you wish to make an apple pie from scratch, you must first invent the universe."
"The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together."
"The lifetime of a human being is measured by decades, the lifetime of the Sun is a hundred million times longer. Compared to a star, we are like mayflies, fleeting ephemeral creatures who live out their lives in the course of a single day."
"By looking far out into space we are also looking far back into time, back toward the horizon of the universe, back toward the epoch of the Big Bang."