Sahih Bukhari Volume 8, Book 78, Hadith Number 691.
Narated By ‘Aisha : The Prophet said, “Whoever vowed to be obedient to Allah, must be obedient to Him; and whoever vowed to be disobedient to Allah, should not be disobedient to Him.”
Narated By ‘Aisha : The Prophet said, “Whoever vowed to be obedient to Allah, must be obedient to Him; and whoever vowed to be disobedient to Allah, should not be disobedient to Him.”