وَقَالُواْ لَوۡلَا يَأۡتِينَا بِـَٔايَةٖ مِّن رَّبِّهِۦٓۚ أَوَلَمۡ تَأۡتِهِم بَيِّنَةُ مَا فِي ٱلصُّحُفِ ٱلۡأُولَىٰ

They say, ‘Why does he not bring us a sign from his Lord?’ Has there not come to them a clear proof in that which is in the former scriptures?