قُلۡ إِنِّيٓ أَخَافُ إِنۡ عَصَيۡتُ رَبِّي عَذَابَ يَوۡمٍ عَظِيمٖ
Qul inneee akhaafu in 'asaitu Rabbee 'azaaba Yawmin 'Azeem
English Translation
Say, "Indeed I fear, if I should disobey my Lord, the punishment of a tremendous Day
— Saheeh International