There ain't no such thing as a free lunch." A Libertarian Movement slogan - The Moon Is a Harsh Mistress, 1907.
Robert A. HeinleinA community where everyone is a ruthless murderer, with handy access to death-dealing devices, is a very polite community.
Robert A. HeinleinThe brown monkey's instinct to kill is correct; such men are dangerous to all monkey customs.
Robert A. Heinlein