Muwatta Malik, Book 54, Hadith 1786 (In-Book)

Malik related to me from Abu Hazim ibn Dinar from Sahl ibn Sad as-Saidi that the Messenger of Allah, may Allah bless him and grant him peace, said, "If it exists, it is in a horse, a woman, and a house," meaning ill luck.

وَحَدَّثَنِي مَالِكٌ، عَنْ أَبِي حَازِمِ بْنِ دِينَارٍ، عَنْ سَهْلِ بْنِ سَعْدٍ السَّاعِدِيِّ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏ "‏ إِنْ كَانَ فَفِي الْفَرَسِ وَالْمَرْأَةِ وَالْمَسْكَنِ ‏" ‏ ‏.‏ يَعْنِي الشُّؤْمَ ‏.‏

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also referenced under: Book 54, Hadith 21 (USC-MSA)