Sunan an-Nasai 17213
In-book no 2477أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا حَمَّادٌ، عَنْ خُثَيْمِ بْنِ عِرَاكِ بْنِ مَالِكٍ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " لَيْسَ عَلَى الْمُسْلِمِ صَدَقَةٌ فِي غُلاَمِهِ وَلاَ فِي فَرَسِهِ " .
It was narrated from Abu Hurairah that the Prophet said: "The Muslim does not have to pay Sadaqah on his slave or his horse."