Sunan Abi Dawud Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur) Muhammad bin 'Isa bin Hyan محمد بن عيسى بن حيان Muhammad bin Yahya bin Hiban محمد بن يحيى بن حبان Yahya bin al-'Ala al-Bijly يحيى بن العلاء البجلي Yusuf bin 'Abdullah bin Salam Sahih The Prophet (ﷺ) said: If anyone takes an oath and says: I am free from Islam; now if he is a liar (in his oath), he will not return to Islam with soundness. https://parallelquran.com/hadith/sunan-abi-dawud-3258/