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About Carl Sagan

Carl Sagan was a 20th-century American scientist and science communicator. Carl Edward Sagan was an American astronomer, planetary scientist and science communicator. Initially an assistant professor at Harvard, Sagan later moved to Cornell, where he was the David Duncan Professor of Astronomy and Space Sciences and directed the Laboratory for Planetary Studies. Read more on Wikipedia →

More quotes by Carl Sagan

“The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.”
— Carl Sagan
connectedness evolution life origin-of-life

“A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.”
— Carl Sagan
life organized-religion religion science

“We are star stuff harvesting sunlight.”
— Carl Sagan
carl-sagan humans life science

“We make our purpose.”
— Carl Sagan
existence life purpose

“Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggre...”
— Carl Sagan
astronomy inspirational science space-travel

“If it can be destroyed by the truth, it deserves to be destroyed by the truth.”
— Carl Sagan
destruction inspirational truth
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