Az-Zumar 39:13

Meccan · The Troops

قُلْ إِنِّىٓ أَخَافُ إِنْ عَصَيْتُ رَبِّى عَذَابَ يَوْمٍ عَظِيمٍ

Say, "Indeed I fear, if I should disobey my Lord, the punishment of a tremendous Day