[kaybe]

I don't think that's what he meant. This planet is great, we should definitely keep it and take care of it. But it is just one single planet, we should try and hedge against problems out of our control (such as big meteorites).

[TeMPOraL]

I vote for solving death first, or at least in parallel (we can do both at the same time); I think we could do it faster than setting up a sustainable colony on another world.