Not that Equestria is some sort of free-market utopia or anything, but this line jumped out of yesterday’s episode of My Little Pony: Friendship is Magic. Take it away, Princess Twilight Sparkle:
[A]ll I’m supposed to do is settle disagreements over whether a trade is fair or not. And since the rule is that a trade is fair as long as both ponies get what they want, there’s never been a disagreement. So there’s really no reason for anypony to treat me as anything special.
“By virtue of exchange, one man’s prosperity is beneficial to all others.” Frédéric Bastiat, The Law, 1850.