Then which of the graces of your Lord will you doubt1meaning, `which of Allah's favors for you, O man, do you doubt,' according to Qatadah.Ibn Jurayj said that the Ayah, فَبِأَيِّ الَاء رَبِّكَ تَتَمَارَى (Then which of the graces of your Lord will you doubt!),is directed towards the Prophet saying:"O Muhammad!"However, the first explanation is better, and it is the meaning that Ibn Jarir preferred