Surah Hud Verse 13 - English Translation by Literal
Surah Hudأَمۡ يَقُولُونَ ٱفۡتَرَىٰهُۖ قُلۡ فَأۡتُواْ بِعَشۡرِ سُوَرٖ مِّثۡلِهِۦ مُفۡتَرَيَٰتٖ وَٱدۡعُواْ مَنِ ٱسۡتَطَعۡتُم مِّن دُونِ ٱللَّهِ إِن كُنتُمۡ صَٰدِقِينَ
Or they say: "He fabricated/cut and split it." Say: "So come or bring with ten chapters of the Koran similar/equal/alike to it fabricated , and call whom you were able from other than God if you were truthful