Jabir bin Abdullah (may Allah be pleased with him) narrated that I heard the Messenger of Allah (peace and blessings be upon him) in the year of the conquest of Makkah, while he was still staying in Makkah, say that Allah and His Messenger have declared the selling of alcohol, dead animals, swine, and idols to be forbidden. Upon this, it was asked, "O Messenger of Allah! What is the ruling regarding the fat of dead animals? We use it to coat our boats, we use it as oil on hides, and people also use it to light their lamps." The Prophet (peace and blessings be upon him) replied, "No, it is forbidden." On this occasion, the Prophet (peace and blessings be upon him) also said, "May Allah destroy the Jews! When Allah made fat forbidden for them, they melted it, sold it, and consumed its price."

Hazrat Ibn Abbas (may Allah be pleased with both of them) narrates that Hazrat Umar (may Allah be pleased with him) came to know that a certain person had sold wine. He said, "May Allah destroy and ruin him. Does he not know that the Messenger of Allah (peace and blessings be upon him) said, 'May Allah destroy the Jews; fat was made unlawful for them, but they melted it and sold it.'"

Hazrat Abu Huraira (may Allah be pleased with him) narrated that the Messenger of Allah (peace and blessings be upon him) said: May Allah destroy the Jews; fat was made unlawful for the wrongdoers among them, but they sold it and consumed its price.