Oath

Hadrat Ibn ‘Umar (Radi Allaahu Ta’ala Anhu) narrated the Messenger of ALLAH as saying that when swearing by ALLAH if any one says’if ALLAH will, he is not held accountable if he breaks it.”

Hadrat lbn Umar (Radi Allaahu Ta’ala Anhu) narrated the Messenger of ALLAH (Sallallahu Alaihi Wa Sallam) as saying “He who swears by anyone but ALLAH, is a polytheist”. [Tirmizi, Mishkat]