Elon Musk Believes All Civilization Will Go Extinct Without Inhabiting Space. "All Civilizations become either Spacefaring or Extinct" Carl Sagan – #BocaChicaToMars @elonmusk #SpaceX @cnunezimages #iCANimagine LLC pic.twitter.com/F4gKWM0VVC — cnunezimages (@cnunezimages) July 7, 2020