20:72
قَالُوا۟ لَن نُّؤْثِرَكَ عَلَىٰ مَا جَآءَنَا مِنَ ٱلْبَيِّنَٰتِ وَٱلَّذِى فَطَرَنَا ۖ فَٱقْضِ مَآ أَنتَ قَاضٍ ۖ إِنَّمَا تَقْضِى هَٰذِهِ ٱلْحَيَوٰةَ ٱلدُّنْيَآ
They said, "Never will we prefer you over what has come to us of clear proofs and [over] He who created us. So decree whatever you are to decree. You can only decree for this worldly life.
Translation · Saheeh International
Tafsir
Ibn Kathīr (abridged)
Fir`awn's turning against the Magicians, His threatening Them and Their Reply
Allah, the Exalted, informs of Fir`awn's disbelief, obstinance, transgression and haughtiness against the truth in favor of falsehood. When he saw what he saw of the magnificent miracle and the great sign, and he saw those whose help he sought accept faith in the presence of all of the people, and he was absolutely defeated, he began to behave arrogantly and cast accusations. He resorted to using his esteemed honor and might against the magicians. He warned them and threatened them saying,
ءَامَنتُمْ لَهُ
(Believe you in him (Musa)) This means, "Do you have faith in him"
قَبْلَ أَنْ ءَاذَنَ لَكُمْ
(before I give you permission) meaning, "I have not commanded you to do so, by which you have rebelled against me." Then he said a statement that he, the magicians and all creatures knew was a forgery and an utter lie.