Above all, you must beware of indirect expressions before a Caledonian. Clap an extinguisher upon your irony, if you are unhappily blest with a vein of it. … I was present not long since at a party of North Britons, where a son of Burns was expected ; and happened to drop a silly expression (in my South British way), that I wished it were the father instead of the son — when four of them started up at once to inform me, that ‘that was impossible, because he was dead.’ An impracticable wish, it seems, was more than they could conceive.