كتاب الخيل
Read the English translation first, with the original Arabic directly underneath.
It was narrated from Salim, from his father, that the Prophet (ﷺ) said:
"Omens are only in three things: a woman, a horse or a house."
الشُّؤْمُ فِي ثَلاَثَةٍ الْمَرْأَةِ وَالْفَرَسِ وَالدَّارِ