﴿ قَالَ فِرْعَوْنُ ءَامَنتُم بِهِۦ قَبْلَ أَنْ ءَاذَنَ لَكُمْ ۖ إِنَّ هَٰذَا لَمَكْرٌۭ مَّكَرْتُمُوهُ فِى ٱلْمَدِينَةِ لِتُخْرِجُوا۟ مِنْهَآ أَهْلَهَا ۖ فَسَوْفَ تَعْلَمُونَ ﴾

“Said Pharaoh: "Have you come to believe in him ere I have given you permission? Behold, this is indeed a plot which you have cunningly devised in this [my] city in order to drive out its people hence! But in time you shall come to know, [my revenge]:”

Please check ayah 7:125 for complete tafsir.