Hadith 436:16
Abu al-Mughirah narrated to us, he said: Isma'il ibn 'Ayyash narrated to us, he said: Sharhabil ibn Muslim al-Khawlani narrated to me, that Rawh ibn Zinba' visited Tamim al-Dari and found him cleaning barley for his horse. He said: And his family was around him. Rawh said to him: "Was there not among these [people] someone who could suffice you [in doing this]?" Tamim said: "Yes, but I heard the Messenger of Allah, peace and blessings of Allah be upon him, say: 'There is no Muslim man who cleans barley for his horse, then hangs it upon it, except that for every grain, a good deed is written for him.'"
حدثنا أبو المغيرة، قال: حدثنا إسماعيل بن عياش، قال: حدثني شرحبيل بن مسلم الخولاني، أن روح بن زنباع زار تميما الداري فوجده ينقي شعيرا لفرسه قال: وحوله أهله، فقال له روح: أما كان في هؤلاء من يكفيك؟ قال تميم: بلى، ولكني سمعت رسول الله صلى الله عليه وسلم يقول: " ما من امرئ مسلم ينقي لفرسه شعيرا، ثم يعلقه عليه إلا كتب له بكل حبة حسنة "