(1) باب مَا جَاءَ عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم أَنْ لاَ نَذْرَ فِي مَعْصِيَةٍ
Narrated 'Aishah:
That the Prophet (ﷺ) said: "There is no vowing in disobedience to Allah, and its atonement is the atonement of an oath." (ES)
Reference (ES): Jami` at-Tirmidhi 1525 (ES)
In-book reference (ES): Book 20, Hadith 2 (ES)
English translation (ES): Vol. 3, Book 18, Hadith 1525 (ES)