فَتَقَطَّعُوا أَمْرَهُم بَيْنَهُمْ زُبُرًاBut they have broken their religion among them into sects,the nations to whom Prophets were sent.كُلُّ حِزْبٍ بِمَا لَدَيْهِمْ فَرِحُونَeach group rejoicing in what is with it.means, they rejoice in their misguidance because they think that they are rightly-guided.Allah says, threatening and warning