حَدَّثَنِي مَالِكٌ، أَنَّهُ بَلَغَهُ أَنَّ أَبَا هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ لِلْمَمْلُوكِ طَعَامُهُ وَكِسْوَتُهُ بِالْمَعْرُوفِ وَلاَ يُكَلَّفُ مِنَ الْعَمَلِ إِلاَّ مَا يُطِيقُ ‏"‏ ‏.‏

Malik related to me that he heard that Abu Hurayra said that theMessenger of Allah, may Allah bless him and grant him peace, said, "Aslave has his food and clothing in the normal manner, and he is onlyobliged to do such work as he is capable of doing." Translation Not Available

Book Ref: Muwatta Imam Malik Book 54 Hadith 1806
Web Ref:  Muwatta Imam Malik Book 54 Hadith 40