مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2500
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) said: “The price of a dog is evil.” He said: "If he comes to you asking for the price of the dog, fill his palms with dust."
Musnad Ahmad 2512Its isnad is hasan]