51وَإِذ واعَدنا موسىٰ أَربَعينَ لَيلَةً ثُمَّ اتَّخَذتُمُ العِجلَ مِن بَعدِهِ وَأَنتُم ظالِمونَOmar & OmarAnd when We made an appointment with Moses (that) of (spending) forty nights, (on Mount Sinai), then you took (to worship) the (golden) calf in his absence, and you were transgressors (in doing so).