Al-An'am 6:159

إِنَّ ٱلَّذِينَ فَرَّقُواْ دِينَهُمۡ وَكَانُواْ شِيَعٗا لَّسۡتَ مِنۡهُمۡ فِي شَيۡءٍۚ إِنَّمَآ أَمۡرُهُمۡ إِلَى ٱللَّهِ ثُمَّ يُنَبِّئُهُم بِمَا كَانُواْ يَفۡعَلُونَ 159

Indeed, those who have divided their religion and become sects - you, [O Muhammad], are not [associated] with them in anything. Their affair is only [left] to Allah; then He will inform them about what they used to do