Narrated Abu Huraira (may Allah be pleased with him) from the Prophet (peace and blessings of Allah be upon him) that he said: "Allah forgave a sinful woman only because she saw a dog panting at the mouth of a well, about to die of thirst. So she took off her shoe, tied it with her scarf, drew water from the well for the dog, and gave it to drink. Allah, in return for this good deed, saved her from Hell."