The Messenger of Allah said: "There is no vow to commit an act of disobedience and its expiation is the expiation for an oath." Mansur bin Zadhan contradicted him in his wording.
Reference: Sunan an-Nasa'i 3848 In-book : Book 35, Hadith 88 English translation : Vol. 4, Book 35, Hadith 3879
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