"So first of all, why go anywhere, right? The... I think there are really two fundamental paths. History is going to bifurcate along two directions: One path is we stay on Earth forever, and then there will be some eventual extinction event — I don't have an immediate doomsday prophecy — but there's... it's eventually, history just that there will be some doomsday event.

The alternative is to become a space-faring civilization and a multi-planet species, which I hope you agree that is the right way to go.

Yes?"

"That's what we want.

So how do we figure out how to take you to Mars and create a self-sustaining city? A city that it is not merely an outpost, but could become planet and its own right, and thus we could become a truly multi-planet species."