Sa’d ibn Abi Waqqas reported: The Messenger of Allah, peace and blessings be upon him, rejected ‘Uthman ibn Maz’un from vowing celibacy, and had he given him permission, we would have castrated ourselves.
Source: Ṣaḥīḥ al-Bukhārī 5073, Ṣaḥīḥ Muslim 1402
Grade: Muttafaqun Alayhi (authenticity agreed upon) according to Al-Bukhari and Muslim
عَنِ سَعْدِ بْنِ أَبِي وَقَّاصٍ قَالَ رَدَّ رَسُولُ اللهِ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ عَلَى عُثْمَانَ بْنِ مَظْعُونٍ التَّبَتُّلَ وَلَوْ أَذِنَ لَهُ لَاخْتَصَيْنَا
5073 صحيح البخاري كتاب النكاح باب ما يكره من التبتل والخصاء
1402 صحيح مسلم كتاب النكاح