Testing of the Prophet's patience

وَإِذَا قِيلَ لَهُم مَّاذَآ أَنزَلَ رَبُّكُمْ ۙ قَالُوٓا۟ أَسَـٰطِيرُ ٱلْأَوَّلِينَ

And when it is said to them, "What has your Lord sent down?" they say, "Legends of the former peoples,"