It's extremely unlucky to be superstitious, for no other reason than it is always unlucky to be colossally stupid.
Stephen FrySticks and stones may break my bones, but words will always hurt me. Bones mend and become actually stronger in the very place they were broken and where they have knitted up; mental wounds can grind and ooze for decades and be re-opened by the quietest whisper.
Stephen Fry