﴿ قَالُوا۟ لَن نُّؤْثِرَكَ عَلَىٰ مَا جَآءَنَا مِنَ ٱلْبَيِّنَٰتِ وَٱلَّذِى فَطَرَنَا ۖ فَٱقْضِ مَآ أَنتَ قَاضٍ ۖ إِنَّمَا تَقْضِى هَٰذِهِ ٱلْحَيَوٰةَ ٱلدُّنْيَآ ﴾

“They answered: "Never shall we prefer thee to all the evidence of the truth that has come unto us, nor to Him who has brought us into being! Decree, then, whatever thou art going to decree: thou canst decree only [something that pertains to] this worldly life!”

They said ‘We will not choose you over what has come to us of clear signs proving the truthfulness of Moses and over Him Who originated us created us wa’lladhī fatarana either an oath or a supplement to the preceding mā ‘what’. Decree what you will decree that is do what you say. What you decree is only relevant in the life of this world al-hayāta’l-dunyā is in the accusative because the scope of his decree is being indicated in other words ‘you can only decree in it’; yet you will be requited for it in the Hereafter.