Mars colonization Quotes

"To our knowledge, life exists on only one planet, Earth. If something bad happens, it's gone. I think we should establish life on another planet--Mars in particular--but we're not making very good progress. SpaceX is intended to make that happen."

"You need to live in a dome initially but over time you could terraform Mars to look like Earth and eventually walk around outside without anything on... So it's a fixer-upper of a planet."