QS. Al-A'raf [7:142]
Heights
۞وَوٰعَدْنَامُوْسٰىثَلٰثِيْنَلَيْلَةًوَّاَتْمَمْنٰهَابِعَشْرٍفَتَمَّمِيْقَاتُرَبِّهٖٓاَرْبَعِيْنَلَيْلَةًوَقَالَمُوْسٰىلِاَخِيْهِهٰرُوْنَاخْلُفْنِيْفِيْقَوْمِيْوَاَصْلِحْوَلَاتَتَّبِعْسَبِيْلَالْمُفْسِدِيْنَ١٤٢
wawaa'adnaa muusaa tsalaatsiina laylatan wa‑atmamnaahaa bi'asyrin fatamma miiqaatu rabbihi arba'iina laylatan waqaala muusaa li‑akhiihi haaruuna ukhlufnii fii qawmii wa‑ashlih walaa tattabi' sabiila almufsidiina
And We made an appointment with Moses for thirty nights and perfected them by [the addition of] ten; so the term of his Lord was completed as forty nights. And Moses said to his brother Aaron, "Take my place among my people, do right [by them], and do not follow the way of the corrupters." [142]
— Sahih International
