Mukhtasar Bukhari (Abridged) 2148 — Making vows in obedience to Allah

Narrated from Ummul Momineen Aisha (may Allah be pleased with her) that the Prophet Muhammad (peace be upon him) said: "Whoever swears an oath that he will obey Allah, he should obey Him; and whoever swears an oath that he will disobey (Allah), he should not disobey Him."