Sahih al-Bukhari 2121
Book 34: Sales and Trade · Narrated by Anas
Arabic
حَدَّثَنَا مَالِكُ بْنُ إِسْمَاعِيلَ، حَدَّثَنَا زُهَيْرٌ، عَنْ حُمَيْدٍ، عَنْ أَنَسٍ ـ رضى الله عنه ـ دَعَا رَجُلٌ بِالْبَقِيعِ يَا أَبَا الْقَاسِمِ. فَالْتَفَتَ إِلَيْهِ النَّبِيُّ صلى الله عليه وسلم فَقَالَ لَمْ أَعْنِكَ. قَالَ " سَمُّوا بِاسْمِي، وَلاَ تَكْتَنُوا بِكُنْيَتِي ".
English translation
Narrated Anas:A man at Al-Baqi' called, "O Abul-Qasim!" The Prophet (ﷺ) turned to him and the man said (to the Prophet ), "I did not intend to call you." The prophet said, "Name yourselves by my name but not by my Kunya (name)
Reference: Sahih al-Bukhari 2121, Book of Sales and Trade. English translation by Dr. Muhammad Muhsin Khan.