I'm reminded of what I'm going to call a poem, but which isn't a poem, but more of a long saying. I can't remember the exact wording (if someone remembers and h

I'm reminded of what I'm going to call a poem, but which isn't a poem, but more of a long saying. I can't remember the exact wording (if someone remembers and has the link, please link it!) but roughly: If you tested your program, congratulations. Your program is now tested, incorrectly. If you tested your program, and verified that the tests are correct, congratulations. Your program is now verified to do the wrong thing, correctly. It has at least two other lines which I can't even think of the paraphrasing for.