After Hazrat Abdullah ibn Ja'far (r.a) successfully went out of his way to help a man in getting something for which he was legally eligible, that man tried to return the favour with a huge amount of money, sent to ibn Jafar (r.a) as a gesture of thankfulness.
Ibn Jafar (r.a) sent it back to him along with a notice, "We don't sell our good deeds"
Ibn Jafar (r.a) sent it back to him along with a notice, "We don't sell our good deeds"