Perhaps the best motivation for going to Mars is political. It is obvious that no single nation currently has either the will or the resources to do it alone, but a consortium of nations and space agencies could achieve it within 20 years.
“I never would say a player stinks. Ever. I'll tell you their team stinks, and first of all, they know their team stinks. And the fans know their team stinks.”
“As far as I'm concerned, the entire reason for becoming a writer is not having to get up in the morning.”