﴿ فَلَمَّآ أَلْقَوْا۟ قَالَ مُوسَىٰ مَا جِئْتُم بِهِ ٱلسِّحْرُ ۖ إِنَّ ٱللَّهَ سَيُبْطِلُهُۥٓ ۖ إِنَّ ٱللَّهَ لَا يُصْلِحُ عَمَلَ ٱلْمُفْسِدِينَ ﴾

“And when they threw down [their staffs and cast a spell upon the people's eyes], Moses said unto them: "What you have contrived is [but] sorcery which, verily, God will bring to nought! Verily, God does not further the works of spreaders of corruption -”

Please check ayah 10:82 for complete tafsir.