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  • Carl Sagan Quote - Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves. Download This Image
  • Carl Sagan Quote - Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
  • Carl Sagan Quote - Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
  • Carl Sagan Quote - Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
  • Carl Sagan Quote - Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
  • Carl Sagan Quote - Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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Carl Sagan Quote - Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.

Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.