TheRealQuotes

"The brain is like a muscle. When it is in use we feel very good. Understanding is joyous."

―

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About Carl Sagan

Carl Sagan was an American astronomer and science communicator known for Cosmos and his work in planetary science.

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View all quotes from Carl Sagan

"You, too, will be driven away from your native land and ancient domains as leaves are driven befo..."
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