صَحِيحُ مُسْلِمٍ
Sahih Muslim 1871 a
The Book on Government
The virtue of horses; "Goodness is tied to their Forelocks."
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ الْخَيْلُ فِي نَوَاصِيهَا الْخَيْرُ إِلَى يَوْمِ الْقِيَامَةِ .
It has been narrated on the authority of Ibn Umar that the Messenger of Allah (ﷺ) said: There will be great benefit in the forelock of the horses until the Day of judgment.
Sahih Muslim, 1871 aSahihصحيح