"I'm a big believer in a multi-planetary species. I think it's important for the long-term survival of humanity."

"The greatest danger is not that we aim too high and miss, but that we aim too low and hit."

"You know, I'm not a fan of subsidies generally. I think the right answer is to have a carbon tax."

"I'm not a big fan of the word 'disrupt'. I prefer 'innovate'."

"I think the goal of humanity should be to become a multi-planet species."