“To have a base on Mars would be incredibly difficult, and people will probably die along the way, just as happened in the settling of the United States. But it will be incredibly inspiring, and we must have inspiring things in the world.” Life cannot be merely about solving problems, he felt. It also had to be about pursuing great dreams. “That’s

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Being multi-planetary also helps ensure the survival of the human species: It helps humans escape volcanoes, meteors, climate changes, etc.