Quran 19:37 from Surah Maryam on Divine Marvels.
فَٱخۡتَلَفَ ٱلۡأَحۡزَابُ مِنۢ بَيۡنِهِمۡۖ فَوَيۡلٞ لِّلَّذِينَ كَفَرُواْ مِن مَّشۡهَدِ يَوۡمٍ عَظِيمٍ
English translation: But differed the sects from among them from among them so woe to those who disbelieve from (the) witnessing (of) a Day great
Transliteration: fa-ikh'talafa al-ahzabu min baynihim fawaylun lilladhina kafaru min mashhadi yawmin azimin