I got this from Brenda. A New Yorker cartoon? She might've made it up (she's one smart cookie), and in any case tells it better than I do.
ET viewing Earth through ship's window: "Signs of intelligent life captain." Captain: "they must be well-defended then, we'd better leave!"— Kirby Urner (@thekirbster) December 3, 2016
ET: scratch that captain, they've got plenty of weapons, but they're all aimed at themselves. Unintelligent. No danger.— Kirby Urner (@thekirbster) December 3, 2016