If you ask Rick Astley for his copy of the movie UP, he cannot give it to you as he will never give you up. However, in doing so he lets you down. Thus creating the Astley Paradox.
Satan (impatiently) to Newcomer: The trouble with you Chicago people is, that you think you are the best people down here; whereas you are merely the most numerous.
- - - Mark Twain, "Pudd'nhead Wilson's New Calendar" 1897