13أَم يَقولونَ افتَراهُ ۖ قُل فَأتوا بِعَشرِ سُوَرٍ مِثلِهِ مُفتَرَياتٍ وَادعوا مَنِ استَطَعتُم مِن دونِ اللَّهِ إِن كُنتُم صادِقينَMuhammad AliOr, say they: He has forged it. Say: Then bring ten forged chapters like it, and call upon whom you can besides Allah, if you are truthful.