The Book on Salutations and Greetings (Kitab As-Salam)

Muslim :: Book 26 : Hadith 5578

Abu Huraira reported Allah's Messenger (may pace be upon him) as saying: A prostitute saw a dog moving around a well on a hot day and hanging out its tongue because of thirst. She drew water for it in her shoe and she was pardoned (for this act of hers).