Wa waa'adnaa Moosaa salaaseena lailatanw wa at mamnaahaa bi'ashrim fatamma meeqaatu Rabbihee arba'eena lailah; wa qaala Moosaa liakheehi Haaroonakh lufnee fee qawmee wa aslih wa laa tattabi' sabeelal mufsideen
And We appointed for Moses thirty nights, to which We added ten, whereby the term of forty nights set by his Lord was fulfilled. And Moses said to Aaron, his brother: 'Take my place among my people, act righteously, and do not follow the path of those who create mischief.'