[H]alf-animal they might be, but the savages were survivors of generation upon generation of survivors in a game where losers went into the stewpot. - S. M. Stirling

....another vision, where water still curled on the sandy beach beneath a clear blue sky where birds flew, but their patterns were mathematics precise beyond his comprehension. A man walked between buildings that were perfect, and empty. He turned to look at Rudi for an instant and where his eyes should have been were silvery tendrils that waved and sought.

A libertarian is someone who can believe that the police are no more than a gang of thugs without realizing that in the absence of police, thugs will gather into gangs.

When men hunted each other to eat, there could be no trust, and trust was what let even the wildest men work together.