Surah Al-Imran, ayah 105

وَلَا تَكُونُواْ كَٱلَّذِينَ تَفَرَّقُواْ وَٱخۡتَلَفُواْ مِنۢ بَعۡدِ مَا جَآءَهُمُ ٱلۡبَيِّنَٰتُۚ وَأُوْلَٰٓئِكَ لَهُمۡ عَذَابٌ عَظِيمٞ ١٠٥

Walā takūnū kalladhīna tafarraqū wakhtalafū mim ba'di mā jā'ahumul-bayyinātu wa ulā'ika lahum 'adhābun 'azīm

And do not be like the ones who became divided and differed after the clear proofs had come to them. And those will have a great punishment