we appointed for moses thirty nights and we completed them with ten more so that the appointment with his lord took forty nights. moses said to aaron his brother take my place among my nation. do what is right and do not follow the path of the corrupt doers
وواعدنا موسى ثلاثين ليلة وأتممناها بعشر فتم ميقات ربه أربعين ليلة وقال موسى لأخيه هارون اخلفني في قومي وأصلح ولا تتبع سبيل المفسدين