Neil deGrasse Tyson
Perhaps we've never been visited by aliens because they have looked upon Earth and decided there's no sign of intelligent life.
More quotes and aphorisms
The greatest generation was formed first...Your talent is God's gift to you...I hated every minute of training, but I said...A puppy plays with every pup he meets...Winter is nature's way of saying, 'Up yours'...Money is not a motivating factor. Money doesn't thrill...
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