Surah Hud Verse 13 - English Translation by Dr Kamal Omar
Surah Hudأَمۡ يَقُولُونَ ٱفۡتَرَىٰهُۖ قُلۡ فَأۡتُواْ بِعَشۡرِ سُوَرٖ مِّثۡلِهِۦ مُفۡتَرَيَٰتٖ وَٱدۡعُواْ مَنِ ٱسۡتَطَعۡتُم مِّن دُونِ ٱللَّهِ إِن كُنتُمۡ صَٰدِقِينَ
Or they say: “He has forged it.” Say: “Then come with ten Surahs similar to it which could be forged by you and you may call whomsoever you could besides Allah (as your helpers in this attempt for forgery) if you happen to be those who speak the truth