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
Remember my mantra: distinct... or extinct...Show me your garden and I shall tell you what you are...Electric cars aren't pollution-free...I once stayed in a roach-infested hotel in Istanbul...Fame is a fickle food upon a shifting plate...Family is not an important thing...
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