I think a Moon base is not necessary to get to Mars, but I think it will be helpful. It would give… — Charles Duke Copy Share Image
People should decide 'are you willing to spend all this money to go to Mars?' I think the average person on the… — Felix Baumgartner Copy Share Image
When we set out to land people on the surface of Mars, I think we should as a nation, as a world,… — Buzz Aldrin Copy Share Image
I think there would be no shortage of applicants to the government astronaut corps to be settlers on the planet Mars. And… — Buzz Aldrin Copy Share Image
I think sometime we will go to Mars and I think we'll explore it with humans sometime, but I think it's really… — John Glenn Copy Share Image
This Sarah Palin phenomenon is very curious. I think somebody watching us from Mars—they would think the country has gone insane. — Noam Chomsky Copy Share Image