An eccentric genius should, on his dying day, arrange for the theft of several very important (and durable) cultural icons, these to be placed atop a large booster rocket and sent to Mars.

Want them back, Earth? Go get them.

(From the idea that, when faced with a tall fence in one's way, one should toss one's hat over as added incentive or excuse for climbing the fence.)

http://www.halfbakery.com/user/centauri