Two of my favorite signs to be posted in places of business:
At the customer service counter of a print shop...
Choose any two.
And, in the Music Department office in Old Cabell Hall at the University of Virginia:
Lack of preparation on your part, does not constitute an emergency on our part.
Strange to say, earlier today I listened to the Suite from The Love for Three Oranges, but (apart from the wonderfully famous March, naturally) I don't think I recognized a single note.
Should I be worried?