719
French rule
(slrpnk.net)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
As opposed to French, which famously exists as a natural truth of the universe. Even if we had never discovered French it would still be there... waiting.
I think the language analogy is actually very apt, because not every has to understand it, but the people you want to speak French with necessarily have to know it. Otherwise it just doesn’t fulfil any purpose.