Sahih al-Bukhari 2073
Book 34: Sales and Trade · Narrated by Abu Huraira
Arabic
حَدَّثَنَا يَحْيَى بْنُ مُوسَى، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، أَخْبَرَنَا مَعْمَرٌ، عَنْ هَمَّامِ بْنِ مُنَبِّهٍ، حَدَّثَنَا أَبُو هُرَيْرَةَ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم " أَنَّ دَاوُدَ ـ عَلَيْهِ السَّلاَمُ ـ كَانَ لاَ يَأْكُلُ إِلاَّ مِنْ عَمَلِ يَدِهِ ".
English translation
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "The Prophet David (ﷺ) used not to eat except from the earnings of his manual labor
Reference: Sahih al-Bukhari 2073, Book of Sales and Trade. English translation by Dr. Muhammad Muhsin Khan.