﴿وَإِذْ وَاعَدْنَا مُوسَىٰ أَرْبَعِينَ لَيْلَةً ثُمَّ اتَّخَذْتُمُ الْعِجْلَ مِنْ بَعْدِهِ وَأَنْتُمْ ظَالِمُونَ﴾
51. And (remember) when We appointed for Mûsâ (Moses) forty nights, and (in his absence) you took the calf (for worship), and you were Zâlimûn (polytheists and wrong-doers).