مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3245
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
Abu Ja'far Muhammad bin 'Ali narrated that he heard Sa'eed bin al-Musayyab say that he heard Ibn 'Abbas say: The Messenger of Allah (ﷺ) said: "The likeness of the one who gives charity then takes back his charity is that of the dog that vomits then eats its vomit.”
Musnad Ahmad 3269lts isnad is saheeh, al-Bukhari (2621) and Muslim (1622)]