Muwatta Malik 560
موطأ مالك#560Sahihحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْقَاسِمِ بْنِ مُحَمَّدِ بْنِ أَبِي بَكْرٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لِيُعَزِّ الْمُسْلِمِينَ فِي مَصَائِبِهِمُ الْمُصِيبَةُ بِي " .
Yahya related to me from Malik from Abd ar-Rahman ibn al-Qasim ibn Muhammad ibn Abi Bakr that the Messenger of Allah, may Allah bless him and grant him peace, said, "Let the misfortune that befalls me be a comfort to the Muslims in their misfortunes
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:
Salim al-HilaliSahih Lighairihi
In-book reference: 16:41