Repeatation in Quran (part 1)
Some of muslims accept the 19 , but they don't accpet the messages behind it.The messages behind miracle of 19 are:
1-Rejecting Hadith books
2-Rejecting 9:128,129
3-Calling GOD ALONE not saints
4-Purifiy 5 pillars of submission
5-Satanic groups are the groups that mention their saints instead of GOD.
Every sign in Quran has the messages behind itself. Accepting the miracle is very simple,But accepting the messages behind the miracle is very very hard.
for extra info refer to : Repeatation in Quran