and fulfil the covenant of allah when you have made the promise and do not break your oaths after ratifying them and you have made allah a guarantor over you indeed allah knows your deeds.
وأوفوا بعهد الله إذا عاهدتم ولا تنقضوا الأيمان بعد توكيدها وقد جعلتم الله عليكم كفيلا إن الله يعلم ما تفعلون