Musnad Ahmad 33:234

Hassan narrated to us, Zuhayr narrated to us, from Abu al-Zubayr, from Jabir, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "There is no *tiyara* (superstitious belief in omens), no *adwa* (contagion), and no *ghul* (ogre/demon)."