وَقَالُوا۟ لَوْلَا يَأْتِينَا بِـَٔايَةٍ مِّن رَّبِّهِۦٓ ۚ أَوَلَمْ تَأْتِهِم بَيِّنَةُ مَا فِى ٱلصُّحُفِ ٱلْأُولَىٰ

And they say: Why does he not bring to us a sign from his Lord? Has not there come to them a clear evidence of what is in the previous books?