Quran 68:40 from Surah Al-Qalam on Divine Marvels.
سَلۡهُمۡ أَيُّهُم بِذَٰلِكَ زَعِيمٌ
English translation: Ask them which of them for that (is) responsible
Transliteration: salhum ayyuhum bidhalika za'imun