ذَٰلِكَ بِأَنَّ ٱللَّهَ نَزَّلَ ٱلْكِتَـٰبَ بِٱلْحَقِّ ۗ وَإِنَّ ٱلَّذِينَ ٱخْتَلَفُوا۟ فِى ٱلْكِتَـٰبِ لَفِى شِقَاقٍۭ بَعِيدٍ
Zaalika bi annal laaha nazzalal kitaaba bilhaqq; wa innal lazeenakh talafoo fil kitaabi lafee shiqaaqim ba'eed
That is because God sent down the Book with the truth, and those who differ about the Book are in deep discord.