Abu Hurairah (RAA) narrated that the Messenger of Allah (ﷺ) said:

“Every believer is the mirror of his brother.” Related by Abu Dawud with a good chain of narrators.

وَعَنْهُ قَالَ: قَالَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-{ اَلْمُؤْمِنُ مِرْآةُ اَلْمُؤْمِنِ } أَخْرَجَهُ أَبُو دَاوُدَ بِإِسْنَادٍ حَسَنٍ .‏ [1]‏ .‏