Elon Musk Founder of SpaceX, cofounder of Tesla, SolarCity & PayPal

I really think there are two fundamental paths [for humans]: One path is we stay on Earth forever, and some eventual extinction event wipes us out


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Jeff Bezos Amazon, Blue Origin, Washington Post

I don’t like the ‘Plan B’ idea that we want to go to space so we have a backup planet, we have sent probes to every planet in this solar system, and believe me, this is the best planet. There is no doubt. This is the one that you want to protect.
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Ellen Stofan Planetary geologist, STEM advocate, former Chief Scientist of NASA

I don’t see a mass transfer of humanity to Mars, ever. Job one is to keep this planet habitable ... There isn’t a planet B

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