Sa'id b. al Musayyib heard Sa'd b. Abi Waqqas (Allah be pleased with him) saying that Uthman b. Maz'un decided to live in celibacy, but Messenger of Allah ﷺ forbade him to do so, and if he had permitted him, we would have got ourselves castrated.
أَنْ يَتَبَتَّلَ فَنَهَاهُ رَسُولُ اللَّهِ ﷺ وَلَوْ أَجَازَ لَهُ ذَلِكَ لاَخْتَصَيْنَا
Sa'id b. al Musayyib heard Sa'd b. Abi Waqqas (Allah be pleased with him) saying that Uthman b. Maz'un decided to live in celibacy, but Messenger of Allah ﷺ forbade him to do so, and if he had permitted him, we would have got ourselves castrated. (Using translation from Muslim 1402c)
أَنْ يَتَبَتَّلَ فَنَهَاهُ رَسُولُ اللهِ ﷺ وَلَوِ أجَازَ ذَلِكَ لَهُ لاخْتَصَيْنَا
[Machine] "To excel in his art, the Messenger of Allah ﷺ forbade him from it." Sa'd said, "If the Messenger of Allah ﷺ had given him permission, we would have sought excellence in it."
أَنْ يَتَبَتَّلَ فَنَهَاهُ رَسُولُ اللَّهِ ﷺ عَنْهُ» قَالَ سَعْدٌ «فَلَوْ أَجَازَ لَهُ ذَلِكَ رَسُولُ اللَّهِ ﷺ لَاخْتَصَيْنَا»
[Machine] "He prohibited the exchange of professions," said Sahd. "If he had allowed it, we would have specialized."
أَنْ يَتَبَتَّلَ فَنَهَاهُ رَسُولُ اللهِ ﷺ» قَالَ سَعْدٌ «فَلَوْ أَجَازَ ذَلِكَ لَاخْتَصَيْنَا»
[Machine] That the Messenger of Allah ﷺ prohibited him from exchanging his skill, even if he had allowed it, we would have made an exception.
أَنْ يَتَبَتَّلَ فَنَهَاهُ رَسُولُ اللهِ ﷺ عَنْ ذَلِكَ وَلَوْ أَجَازَ لَهُ لَاخْتَصَيْنَا