1. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Qasim ibn Yahya from his grandfather al-Hassan ibn Rashid from abu Basir who has said the following: “Abu ‘Abd Allah , has said that ’Amir al-Mu’minin has said, ’Eat what falls off of food, because in it is cure for all kinds of illness by the permission of Allah, most Majestic, most Glorious, for those who seek cures.’”