ذَٰلِكَ بِأَنَّهُمْ شَاقُّوا اللَّهَ وَرَسُولَهُ ۚ وَمَنْ يُشَاقِقِ اللَّهَ وَرَسُولَهُ فَإِنَّ اللَّهَ شَدِيدُ الْعِقَابِ 13
This because they contended against Allah and His Messenger: If any contend against Allah and His Messenger, Allah is strict in punishment.