حَدَّثَنَا 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 (PBUH) said: If someone is donated something, and he mentions it, he thanks for it, and if he conceals it, he is ungrateful for it. Translation Not Available

Book Ref: Sunan Abi Dawud Book 43 Hadith 4814
Web Ref:  Sunan Abi Dawud Book 42 Hadith 4796