Quran 23:89 from Surah Al-Muminoon on Divine Marvels.
سَيَقُولُونَ لِلَّهِۚ قُلۡ فَأَنَّىٰ تُسۡحَرُونَ
English translation: They will say Allah Say Then how are you deluded
Transliteration: sayaquluna lillahi qul fa-anna tus'haruna