Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur)

Dawud :: Book 21 : Hadith 3267

Narrated Abdullah ibn Amr ibn al-'As:

The Apostle of Allah (peace_be_upon_him) said: A vow is binding in those things by which the pleasure of Allah is sought, and an oath to break ties of relationship is not binding.