That the Messenger of Allah (ﷺ) said: "Whoever keeps a dog" - or: "acquires a dog" - "neither of hunting nor to guard livestock, then two Qirat are deducted from his reward, daily."
Reference: Jami` at-Tirmidhi 1487 In-book : Book 18, Hadith 29 English translation : Vol. 3, Book 16, Hadith 1487
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