fulfil the covenant of allah when ye have entered into it and break not your oaths after ye have confirmed them indeed ye have made allah your surety for allah knoweth all that ye do.
وأوفوا بعهد الله إذا عاهدتم ولا تنقضوا الأيمان بعد توكيدها وقد جعلتم الله عليكم كفيلا إن الله يعلم ما تفعلون