Sahih al-Bukhari 5889
Book 77: Dress · Narrated by Abu Huraira
Arabic
حَدَّثَنَا عَلِيٌّ، حَدَّثَنَا سُفْيَانُ، قَالَ الزُّهْرِيُّ حَدَّثَنَا عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، عَنْ أَبِي هُرَيْرَةَ، رِوَايَةً " الْفِطْرَةُ خَمْسٌ ـ أَوْ خَمْسٌ مِنَ الْفِطْرَةِ ـ الْخِتَانُ، وَالاِسْتِحْدَادُ، وَنَتْفُ الإِبْطِ، وَتَقْلِيمُ الأَظْفَارِ، وَقَصُّ الشَّارِبِ ".
English translation
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "Five practices are characteristics of the Fitra: circumcision, shaving the pubic region, clipping the nails and cutting the moustaches short
Reference: Sahih al-Bukhari 5889, Book of Dress. English translation by Dr. Muhammad Muhsin Khan.