Sunan Abi Dawud 4599
سنن أبي داود#4599Da'ifحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا خَالِدُ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا يَزِيدُ بْنُ أَبِي زِيَادٍ، عَنْ مُجَاهِدٍ، عَنْ رَجُلٍ، عَنْ أَبِي ذَرٍّ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " أَفْضَلُ الأَعْمَالِ الْحُبُّ فِي اللَّهِ وَالْبُغْضُ فِي اللَّهِ " .
Narrated AbuDharr: The Prophet (ﷺ) said: The best of the actions is to love for the sake of Allah and to hate for the sake of Allah
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-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidDaif
Zubair Ali ZaiDaif
In-book reference: 42:4