Qur'an 23:53

فَتَقَطَّعُوٓا۟ أَمْرَهُم بَيْنَهُمْ زُبُرًا ۖ كُلُّ حِزْبٍۭ بِمَا لَدَيْهِمْ فَرِحُونَ

“But they [i.e., the people] divided their religion among them into portions [i.e., sects] - each faction, in what it has, rejoicing.”

Al-Muminoon 23:53 · Saheeh International