وَلِمُسْلِمٍ: مِنْ حَدِيثِ عِمْرَانَ: «لَا وَفَاءَ لِنَذْرٍ فِي مَعْصِيَةٍ»
(The Messenger of Allah (sallallahu alayhi wa sallam) said) “There is no fulfillment of a vow involving an act of disobedience.”.
Bulugh al-Maram 1570, Book 13, Oaths and Vows, Hadith 15. 1 min read