When I was intern I saw best use of comment ever. There was a code block that you can only end up there with FATAL ERROR. And there was these lines as a comment :

Last thing I remember, I was
Running for the door
I had to find the passage back
To the place I was before
"Relax, " said the night man,
"We are programmed to receive.
You can check-out any time you like,
But you can never leave! "