Bezos approaches his space endeavors as a missionary rather than a mercenary. “This is the most important work I’m doing, and I have great conviction about that,” he says. Earth is finite, and energy usage has grown so much that it will soon, he thinks, strain the resources of our small planet. That will leave us with a choice: accept static growth for humanity or explore and expand to places beyond Earth. “I want my grandchildren’s grandchildren to be using way more energy per capita than I am,” he says. “And I would like to see us not have a population cap. I wish there were a trillion
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