Musnad Abu Ya'la al-Mawsili 155:360

Abu Kurayb narrated to us, Abu Khalid al-Ahmar narrated to us, from Muhammad ibn ‘Ajlan, from Abu Hazim, from Abu Hurayrah, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Whoever is protected from the evil of what is between his two jaws and what is between his two legs will enter Paradise."