>We have property because gravity makes us stick to it!
>
>One of Kilgore Trout's lines, perhaps? ;)

Cigar shaped aliens that were powered by flatulence.

From "God Bless You, Mrs. Rosewater":

A missionary in Africa with his son after a devastating plague. As he points to the piles of bodies all around them, he says,"Someday, this will all be yours!"