Sunan Abi Dawud 4814
سنن أبي داود#4814Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ الْجَرَّاحِ، حَدَّثَنَا جَرِيرٌ، عَنِ الأَعْمَشِ، عَنْ أَبِي سُفْيَانَ، عَنْ جَابِرٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَنْ أَبْلَى بَلاَءً فَذَكَرَهُ فَقَدْ شَكَرَهُ وَإِنْ كَتَمَهُ فَقَدْ كَفَرَهُ " .
Narrated Jabir ibn Abdullah: The Prophet (ﷺ) said: If someone is donated something, and he mentions it, he thanks for it, and if he conceals it, he is ungrateful for it
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 ZaiDaif
In-book reference: 43:42