ENOfficial
‘A’isha reported God’s messenger as saying, “Breaking a dead man’s bone is like breaking it when he is alive.” Malik, Abu Dawud and Ibn Majah transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَائِشَةَ: أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «كَسْرُ عَظْمِ الْمَيِّتِ كَكَسْرِهِ حَيًّا» . رَوَاهُ مَالِكٌ وَأَبُو دَاوُدَ وَابْنُ مَاجَهْ
sunnah.com