سنن ابن ماجه

It was narrated that Khuzaimah bin Jaz’ said: “I said: ‘O Messenger of Allah, I have come to ask you about the vermin of the earth. What do you say about foxes?’ He said: ‘Who eats foxes?’ I said: ‘O Messenger of Allah, what do you say about wolves?’ He said: ‘Does anyone in whom there is anything good eat wolves?’”