Quran 2:51 from Surah Al-Baqara on Divine Marvels.
وَإِذۡ وَٰعَدۡنَا مُوسَىٰٓ أَرۡبَعِينَ لَيۡلَةٗ ثُمَّ ٱتَّخَذۡتُمُ ٱلۡعِجۡلَ مِنۢ بَعۡدِهِۦ وَأَنتُمۡ ظَٰلِمُونَ
English translation: And when We appointed (for) Musa forty nights Then you took the calf from after him and you (were) wrongdoers
Transliteration: wa-idh wa'adna musa arba'ina laylatan thumma ittakhadhtumu al-'ij'la min ba'dihi wa-antum zalimuna