Jonah
فَلَمَّآ أَلْقَوْا۟ قَالَ مُوسَىٰ مَا جِئْتُم بِهِ ٱلسِّحْرُ ۖ إِنَّ ٱللَّهَ سَيُبْطِلُهُۥٓ ۖ إِنَّ ٱللَّهَ لَا يُصْلِحُ عَمَلَ ٱلْمُفْسِدِينَ
And when they had thrown, Moses said, "What you have brought is [only] magic. Indeed, Allah will expose its worthlessness. Indeed, Allah does not amend the work of corrupters.
Nearby ayahs help place verse 10:81 in sequence and meaning.
وَقَالَ فِرْعَوْنُ ٱئْتُونِى بِكُلِّ سَـٰحِرٍ عَلِيمٍ
And Pharaoh said, "Bring to me every learned magician."
فَلَمَّا جَآءَ ٱلسَّحَرَةُ قَالَ لَهُم مُّوسَىٰٓ أَلْقُوا۟ مَآ أَنتُم مُّلْقُونَ
So when the magicians came, Moses said to them, "Throw down whatever you will throw."
وَيُحِقُّ ٱللَّهُ ٱلْحَقَّ بِكَلِمَـٰتِهِۦ وَلَوْ كَرِهَ ٱلْمُجْرِمُونَ
And Allah will establish the truth by His words, even if the criminals dislike it."
فَمَآ ءَامَنَ لِمُوسَىٰٓ إِلَّا ذُرِّيَّةٌ مِّن قَوْمِهِۦ عَلَىٰ خَوْفٍ مِّن فِرْعَوْنَ وَمَلَإِي۟هِمْ أَن يَفْتِنَهُمْ ۚ وَإِنَّ فِرْعَوْنَ لَعَالٍ فِى ٱلْأَرْضِ وَإِنَّهُۥ لَمِنَ ٱلْمُسْرِفِينَ
But no one believed Moses, except [some] youths among his people, for fear of Pharaoh and his establishment that they would persecute them. And indeed, Pharaoh was haughty within the land, and indeed, he was of the transgressors