Mentioning the Different Reports from Abu Salih in this Narration
أَخْبَرَنَا أَحْمَدُ بْنُ عِيسَى، قَالَ حَدَّثَنَا ابْنُ وَهْبٍ، عَنْ عَمْرٍو، عَنْ بُكَيْرٍ، عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " كُلُّ حَسَنَةٍ يَعْمَلُهَا ابْنُ آدَمَ فَلَهُ عَشْرُ أَمْثَالِهَا إِلاَّ الصِّيَامَ لِي وَأَنَا أَجْزِي بِهِ " .
It was narrated from Abu Hurairah that the Prophet (ﷺ) said (that Allah said): "For every good deed that the son of Adam does, he will have (the reward of) ten the like thereof, except for fasting. It is for Me and I shall reward for it.