موطا امام مالك رواية يحييٰ
Muwatta Imam Malik (Riwayat Yahya)
كتاب البيوعBook: On the Rulings of Buying and Selling
بَابُ بَيْعِ الطَّعَامِ بِالطَّعَامِ لَا فَضْلَ بَيْنَهُمَاChapter on Sale of Food for Food Without Excess
Hadith 1355B8
قَالَ مَالِكٌ : وَمَنْ صَبَّرَ صُبْرَةَ طَعَامٍ، وَقَدْ عَلِمَ كَيْلَهَا، ثُمَّ بَاعَهَا جِزَافًا وَكَتَمَ عَلَى الْمُشْتَرِيَ كَيْلَهَا، فَإِنَّ ذَلِكَ لَا يَصْلُحُ، فَإِنْ أَحَبَّ الْمُشْتَرِي أَنْ يَرُدَّ ذَلِكَ الطَّعَامَ عَلَى الْبَائِعِ رَدَّهُ بِمَا كَتَمَهُ كَيْلَهُ وَغَرَّهُ، وَكَذَلِكَ كُلُّ مَا عَلِمَ الْبَائِعُ كَيْلَهُ، وَعَدَدَهُ مِنَ الطَّعَامِ، وَغَيْرِهِ، ثُمَّ بَاعَهُ جِزَافًا، وَلَمْ يَعْلَمِ الْمُشْتَرِي ذَلِكَ، فَإِنَّ الْمُشْتَرِيَ إِنْ أَحَبَّ أَنْ يَرُدَّ ذَلِكَ عَلَى الْبَائِعِ رَدَّهُ، وَلَمْ يَزَلْ أَهْلُ الْعِلْمِ يَنْهَوْنَ عَنْ ذَلِكَ. ¤
Imam Malik, may Allah have mercy on him, said that it is not permissible to take one mudd of butter and one mudd of milk in exchange for two mudds of butter, because he has equated the excellence of his butter by mixing it with milk. If he had sold the milk separately, he would never have received one sa' of butter in exchange for one sa' of milk. This type of issue has already been mentioned above.
