6.الْأَنْعَام

قُلۡ اِنِّىۡۤ اَخَافُ اِنۡ عَصَيۡتُ رَبِّىۡ عَذَابَ يَوۡمٍ عَظِيۡمٍ‏

Say: ‘Surely, I fear the Day of a mighty torment if I disobey my Lord. (How is it possible?)’