(2) باب مَنْ نَذَرَ أَنْ يُطِيعَ اللَّهَ فَلْيُطِعْهُ
Narrated 'Aishah:
That the Prophet (ﷺ) said: "Whoever vowed to obey Allah, then he should obey Him. And whoever vowed to disobey Allah, then he should not disobey Him." (IT)
Reference (IT): Jami` at-Tirmidhi 1526 (IT)
In-book reference (IT): Book 20, Hadith 3 (IT)
English translation (IT): Vol. 3, Book 18, Hadith 1526 (IT)