2. Muhammad ibn ‘Isma’il has narrated from al-Fadl ibn Shadhan from Safwan ibn Yahya from ibn Muskan from ‘Abd Allah ibn Sulayman who has said the following: “I once heard Abu Ja‘far , saying that Ali , would say, ‘Had Banu al-Khattab not prohibited al-Mut‘ah (advantageous marriage) before (the beginning of my administration) no one would commit fornication except the wicked ones.’”