The Book of Virtue, Good Manners and Joining of the Ties of Relationship (Kitab Al-Birr was-Salat-I-wa'l-Adab)

Muslim :: Book 32 : Hadith 6228

Thauban, the freed slave of Allah's Messenger (may peace be upon him), reported that Allah's Messenger (may peace be upon him) said: He who visits the sick continues to remain in the fruit garden of Paradise until he returns.