Sahih Al Bukhari – Book of To Make The Heart Tender (Ar-Riqaq)
Volumn 008, Book 076, Hadith Number 521.
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Narated By Anas bin Malik RA : Allah's Apostle PBUH said, "When carried to his grave, a dead person is followed by three, two of which return (after his burial) and one remains with him: his relative, his property, and his deeds follow him; relatives and his property go back while his deeds remain with him."