Surah 6:159
"Surely those who have divided up their religion and become (different) parties – you are no part of them. Their affair (belongs) only to God, and He will inform them about what they have done."
6.159 – Surely those who have divided up their religion
See the comments on division and differences at 98.4.
- from The Quran with Christian Commentary: A Guide to Understanding the Scripture of Islam