We may discover resources on the moon or Mars that will boggle the imagination, that will test our limits to dream. And the fascination generated by further exploration will inspire our young people to study math, and science, and engineering and create a new generation of innovators and pioneers.

-George W Bush, speech at NASA Headquarters, Jan. 14, 2004

President Bush announced that we were landing on Mars today... which means he's given up on Earth.

-Jon Stewart, The Daily Show

If humanity doesn't land on Mars in my lifetime, I would be very disappointed.

-Elon Musk