عَنْ مُعَاوِيَةَ رَضِيَ اللَّهُ عَنْهُ قَالَ لَعَنَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ الَّذِينَ يُشَقِّقُونَ الْكَلَامَ تَشْقِيقَ الشِّعْرِ
It is narrated from Sayyiduna Muawiyah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) cursed those people who extract fine points in speech like the splitting of hair.