And 'Ubaydullah ibn Mu'adh narrated to us, my father narrated to us, Shu'bah narrated to us, from 'Abd al-'Aziz ibn Rufay', from Tamim ibn Tarafah, from 'Adi ibn Hatim, who said: The Messenger of Allah, peace and blessings be upon him, said: "Whoever swears an oath and then sees something better than it, let him do that which is better and leave his oath."