Sunan Abi Dawud 4672
سنن أبي داود#4672Sahihحَدَّثَنَا زِيَادُ بْنُ أَيُّوبَ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ إِدْرِيسَ، عَنْ مُخْتَارِ بْنِ فُلْفُلٍ، يَذْكُرُ عَنْ أَنَسٍ، قَالَ قَالَ رَجُلٌ لِرَسُولِ اللَّهِ صلى الله عليه وسلم يَا خَيْرَ الْبَرِيَّةِ . فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " ذَاكَ إِبْرَاهِيمُ " .
Anas said:A man said to the Messenger of Allah (May peace be upon him): O best of all creatures! The Messenger of Allah (May peace be upon him) said : That was Abraham (peace be upon him)
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:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Muslim (2369)
In-book reference: 42:77