سورة Ta-Ha 20:62

فَتَنَـٰزَعُوٓا۟ أَمْرَهُم بَيْنَهُمْ وَأَسَرُّوا۟ ٱلنَّجْوَىٰ ٦٢

So the magicians disputed the matter among themselves, conversing privately