الْاَنْعَامِ · 15

قُلۡ إِنِّيٓ أَخَافُ إِنۡ عَصَيۡتُ رَبِّي عَذَابَ يَوۡمٍ عَظِيمࣲ‏

Say: "I would, if I disobeyed my Lord, indeed have fear of the penalty of a Mighty Day