عَنْ عِمْرَانَ بْنِ حُصَيْنٍ رَضِيَ اللَّهُ عَنْهُ قَالَ مَا قَامَ فِينَا رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ خَطِيبًا إِلَّا أَمَرَنَا بِالصَّدَقَةِ وَنَهَانَا عَنِ الْمُثْلَةِ قَالَ قَالَ أَلَا وَإِنَّ الْمُثْلَةَ أَنْ يَنْذُرَ الرَّجُلُ أَنْ يَخْرُمَ أَنْفَهُ
It is narrated from Sayyiduna Imran bin Husain (may Allah be pleased with him), he says: Whenever the Messenger of Allah (peace and blessings be upon him) stood to address us, he would command us to give charity and forbid mutilation, and he would say: Beware! This too is mutilation, that a person vows to pierce his nose or to tear it.