Sunan Abi Dawud Wages (Kitab Al-Ijarah) Kahmas bin al-Hasan al-Tamimi كهمس بن الحسن التميمي Manzur bin Siyar al-Fazari منظور بن سيار Mua'dh bin Mua'dh bin Nsr معاذ بن معاذ بن نصر Siyar bin Manzur bin Siyar سيار بن منظور بن سيار Ubaidullah bin Mua'dh عبيد الله بن معاذ بن معاذ بن نصر Sahih “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. https://parallelquran.com/hadith/sunan-abi-dawud-3475/