Sunan Abi Dawud 3661
سنن أبي داود#3661Sahihحَدَّثَنَا سَعِيدُ بْنُ مَنْصُورٍ، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ أَبِي حَازِمٍ، عَنْ أَبِيهِ، عَنْ سَهْلٍ، - يَعْنِي ابْنَ سَعْدٍ - عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " وَاللَّهِ لأَنْ يُهْدَى بِهُدَاكَ رَجْلٌ وَاحِدٌ خَيْرٌ لَكَ مِنْ حُمْرِ النَّعَمِ " .
Sahl b. Sa’d reported the prophet (ﷺ) as saying:I swear on Allah, it will be better for you that Allah should give guidance to one man through your agency than that you should acquire the red ones among the camels
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 26:21