Ja`far b. `Ali b. al-Hasan b. `Ali b. `Abdullah b. al-Mughira al-Kufi (ra) narrated to us. He said: My randfather al-Hasan b. `Ali narrated to me from his grandfather `Abdullah b. al-Mughira from Isma`il b. Muslim from al-Sadiq Ja`far b. Muhammad from his father from his forefathers (as). He said
The Messenger of Allah (s) said: Whoever finds a crumb or a date and eats it, it will not leave his stomach until Allah forgives him.