The Cow - 2:23
If you doubt what We have sent down to Our servant, bring a surah like it. And call to your aid all your witnesses besides Allah, if you are truthful.
Related:
Prophet Jonah/10:38
"Do they say: "He fabricated it"? Say: "If you are truthful, bring a surah like it, and call upon those whom you can call upon besides Allah."
اَمْ يَقُولُونَ افْتَرٰيهُۜ قُلْ فَأْتُوا بِسُورَةٍ مِثْلِه۪ وَادْعُوا مَنِ اسْتَطَعْتُمْ مِنْ دُونِ اللّٰهِ اِنْ كُنْتُمْ صَادِق۪ينَ
Prophet Hud/11:13
"Do they say: "He fabricated it (the Qur´an)"? Say: "Come on, bring ten suras like it, fabricated. And call all your friends besides Allah, if you are truthful!"
اَمْ يَقُولُونَ افْتَرٰيهُۜ قُلْ فَأْتُوا بِعَشْرِ سُوَرٍ مِثْلِه۪ مُفْتَرَيَاتٍ وَادْعُوا مَنِ اسْتَطَعْتُمْ مِنْ دُونِ اللّٰهِ اِنْ كُنْتُمْ صَادِق۪ينَ
The Night Journey/17:88
"Say: "Even if all mankind and jinn gathered together to create the like of this Qur´an and supported each other in it, they could not create the like of it."
قُلْ لَئِنِ اجْتَمَعَتِ الْاِنْسُ وَالْجِنُّ عَلٰٓى اَنْ يَأْتُوا بِمِثْلِ هٰذَا الْقُرْاٰنِ لَا يَأْتُونَ بِمِثْلِه۪ وَلَوْ كَانَ بَعْضُهُمْ لِبَعْضٍ ظَه۪يراً
The Mountain/52:33
"Or do they say, "He invented it"? No, they do not believe."
اَمْ يَقُولُونَ تَقَوَّلَهُۚ بَلْ لَا يُؤْمِنُونَۚ
The Mountain/52:34
Let them bring a hadith like it if they are truthful.
فَلْيَأْتُوا بِحَد۪يثٍ مِثْلِه۪ٓ اِنْ كَانُوا صَادِق۪ينَۜ