Surah Al-An'am (The Cattle), Verse 37

وَقَالُوْا لَوْلَا نُزِّلَ عَلَیْهِ اٰیَةٌ مِّنْ رَّبِّهٖ قُلْ اِنَّ اللّٰهَ قَادِرٌ عَلٰۤی اَنْ یُّنَزِّلَ اٰیَةً وَّلٰكِنَّ اَكْثَرَهُمْ لَا یَعْلَمُوْنَ ۟

Wa qaaloo law laa nuzzila 'alaihi Aayatum mir Rabbih; qul innal laaha qaadirun 'alaaa ai yunazzila Aayatanw wa laakinna aksarahum laa ya'lamoon

“They say: "Why is not a sign sent down to him from his Lord?" Say: "Allah hath certainly power to send down a sign: but most of them understand not.”

Quran 6:37 (Yusuf Ali Translation)