Al 'Imran, 105 Ayah
3:105
وَلَا تَكُونُواْ كَٱلَّذِينَ تَفَرَّقُواْ وَٱخۡتَلَفُواْ مِنۢ بَعۡدِ مَا جَآءَهُمُ ٱلۡبَيِّنَٰتُۚ وَأُوْلَٰٓئِكَ لَهُمۡ عَذَابٌ عَظِيمٞ ١٠٥
Wa Lā Takūnū Kālladhīna Tafarraqū Wa Akhtalafū Min Ba`di Mā Jā'ahumu Al-Bayyinātu ۚ Wa 'Ūlā'ika Lahum `Adhābun `Ažīmun
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.