Siyar bin Manzur bin Siyar سيار بن منظور بن سيار · Wages (Kitab Al-Ijarah)

"He used: 'Not purify them ; grievously will be their penalty.'" He said about (selling) the goods: I swear by Allah, I was given (the price) so and so for it. The other man considered it to be correct and bought it.