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
If you don't ask, you don't get...Never look back unless you are planning to go that way...If my drug Ragaglitazar had been successful...Tiny slices, no frosting, forty-five minutes...A gun is no more dangerous than a cricket bat...Make gifts meaningful by putting the time in creating...
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