Jami` at-Tirmidhi 1091
جامع الترمذي#1091Sahihحَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ مُحَمَّدٍ، عَنْ سُهَيْلِ بْنِ أَبِي صَالِحٍ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ إِذَا رَفَّأَ الإِنْسَانَ إِذَا تَزَوَّجَ قَالَ " بَارَكَ اللَّهُ لَكَ وَبَارَكَ عَلَيْكَ وَجَمَعَ بَيْنَكُمَا فِي خَيْرٍ " . قَالَ وَفِي الْبَابِ عَنْ عَقِيلِ بْنِ أَبِي طَالِبٍ . قَالَ أَبُو عِيسَى حَدِيثُ أَبِي هُرَيْرَةَ حَدِيثٌ حَسَنٌ صَحِيحٌ .
Abu Hurairah narrated that:When supplicating for the newlywed, the Prophet would say: (Barak Allahu laka wa baraka alaik, wa jama'a bainakuma fi khair.) "May Allah bless you and send blessings upon you, and bring goodness between you
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: 11:12