Muwatta
Malik
موطأ مالك
31
Business Transactions
كتاب البيوع
Chapter 22: Bartering Food for Food with No Increase between Them
Muwatta Malik 1400
Yahya related to me from Malik that he had heard that Sulayman ibn Yasar said, "The fodder of the donkeys of Saad ibn Abi Waqqas ran out and so he told his slave to take some of the family's wheat and buy barley with it, and to only take a like quantity."
حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ سُلَيْمَانَ بْنَ يَسَارٍ، قَالَ فَنِيَ عَلَفُ حِمَارِ سَعْدِ بْنِ أَبِي وَقَّاصٍ فَقَالَ لِغُلاَمِهِ خُذْ مِنْ حِنْطَةِ أَهْلِكَ فَابْتَعْ بِهَا شَعِيرًا وَلاَ تَأْخُذْ إِلاَّ مِثْلَهُ .