Carl Sagan
No other planet in the solar system is a suitable home for human beings; it's this world or nothing. That's a very powerful perception.
More quotes and aphorisms
The traveler sees what he sees...Occasionally I get fed up, going to visit a factory...We have to pray with our eyes on God...Those who fight corruption should be clean themselves...Starbucks says they are going to start putting...Silent gratitude isn't very much to anyone...
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