“Turning humans into space colonizers is his stated life’s purpose. “I would like to die thinking that humanity has a bright future,” he said. “If we can solve sustainable energy and be well on our way to becoming a multiplanetary species with a self-sustaining civilization on another planet – to cope with a worst-case scenario happening and extinguishing human consciousness – then,” and here he paused for a moment, “I think that would be really good.”