حَدَّثَنِي 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-Qasimibn Muhammad ibn Abi Bakr that the Messenger of Allah, may Allah blesshim and grant him peace, said, "Let the misfortune that befalls me bea comfort to the Muslims in their misfortunes." Translation Not Available

Book Ref: Muwatta Imam Malik Book 16 Hadith 563
Web Ref:  Muwatta Imam Malik Book 16 Hadith 41