The Prophet (ﷺ) said, "While a dog was going round a well and was about to die of thirst, an Israeli prostitute saw it and took off her shoe and watered it. So Allah forgave her because of that good deed."
Sahih al-Bukhari Book 60, Hadith 134
← Previous Hadith That he heard Allah's Messenger (ﷺ) saying, "While a lady was nursing her child, a rider passed by and she said, 'O Allah! Don't let my child die till he becomes like this (rider).' The child said, 'O Allah! Don't make me like him,' and then returned to her breast (sucking it). (After a while) they passed by a lady who was being pulled and teased (by the people). The child's mother said, 'O Allah! Do not make my child like her.' The child said, 'O Allah! Make me like her.' Then he said, 'As for the rider, he is an infidel, while the lady is accused of illegal sexual intercourse (falsely) and she says: Allah is sufficient for me (He knows the truth).

Sahih al-Bukhari Book 60, Hadith 133 Next Hadith → That he heard Muawiya bin Abi Sufyan (talking) on the pulpit in the year when he performed the Hajj. He took a tuft of hair that was in the hand of an orderly and said, "O people of Medina! Where are your learned men? I heard the Prophet (ﷺ) forbidding such a thing as this (i.e. false hair) and he used to say, 'The Israelis were destroyed when their ladies practiced this habit (of using false hair to lengthen their locks).

Sahih al-Bukhari Book 60, Hadith 135