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
There are moments of life that we never forget...Grown-ups love figures...Aaron Peirsol was the man. Ryan Lochte is also insane...They all knew my name, but no one heard the music...Time crumbles things...I know a planet where there is a certain red-faced gentleman...
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