(52:34) Let them produce a hadith like this (Quran), if they are truthful.
(2:23) If you are in doubt as to what We have sent down to Our servant, then bring a chapter like this, and call upon your witnesses other than God if you are truthful.
(11:13) Or do they say, "He invented it!" Say, "Bring ten invented chapters like it, and call on whom you can besides God if you are truthful."
(10:38) Or do they say he invented it? Say, "Then bring a chapter like it, and call upon whoever you can besides God if you are truthful!"