Sell it, and then buy with it barley. The slave went away and he got a sa' (of barley) and a part of sa' over and above that. When he came to Ma'mar he informed him about that, whereupon Ma'mar said to him: Why did you do that? Go back and return that, and do not accept but weight, for weight, for I used to hear from Allah's Apostle ﷺ as saying: Wheat for wheat and like for like. He (one of the narrators) said: Our food in those days consisted of barley. It was said to him (Ma'mar) that (wheat) is not like that (barley). He replied: I am afraid these may not be similar  

بِعْهُ ثُمَّ اشْتَرِ بِهِ شَعِيرًا فَذَهَبَ الْغُلاَمُ فَأَخَذَ صَاعًا وَزِيَادَةَ بَعْضِ صَاعٍ فَلَمَّا جَاءَ مَعْمَرًا أَخْبَرَهُ بِذَلِكَ فَقَالَ لَهُ مَعْمَرٌ لِمَ فَعَلْتَ ذَلِكَ انْطَلِقْ فَرُدَّهُ وَلاَ تَأْخُذَنَّ إِلاَّ مِثْلاً بِمِثْلٍ فَإِنِّي كُنْتُ أَسْمَعُ رَسُولَ اللَّهِ ﷺ يَقُولُ الطَّعَامُ بِالطَّعَامِ مِثْلاً بِمِثْلٍ قَالَ وَكَانَ طَعَامُنَا يَوْمَئِذٍ الشَّعِيرَ قِيلَ لَهُ فَإِنَّهُ لَيْسَ بِمِثْلِهِ قَالَ إِنِّي أَخَافُ أَنْ يُضَارِعَ  

[Machine] Buy it and then buy barley with it. The boy went and took a measure and some additional barley. When Ma'mar came, the boy informed him about that. Ma'mar asked him, "Why did you do that?" Go and return it, and do not take anything unless it is like for like. For I used to hear the Messenger of Allah ﷺ saying, 'Food should be exchanged like for like, and our food in those days was barley.'"  

بِعْهُ ثُمَّ اشْتَرِ بِهِ شَعِيرًا فَذَهَبَ الْغُلَامُ وَأَخَذَ صَاعًا وَزِيَادَةَ بَعْضِ صَاعٍ فَلَمَّا جَاءَ مَعْمَرٌ أَخْبَرَهُ بِذَلِكَ فَقَالَ لَهُ مَعْمَرٌ لِمَ فَعَلْتَ ذَلِكَ انْطَلَقَ فَرُدَّهُ وَلَا تَأْخُذْ إِلَّا مِثْلًا بِمِثْلٍ فَإِنِّي كُنْتُ أَسْمَعُ رَسُولَ اللَّهِ ﷺ يَقُولُ «الطَّعَامُ بِالطَّعَامِ مِثْلًا بِمِثْلٍ وَكَانَ طَعَامُنَا يَوْمَئِذٍ الشَّعِيرَ»  

[Machine] Buy it and then trade it for barley. So the boy went and took a measure and some extra of it. When Ma'mar came, he informed him about it, so Ma'mar said to him, "Why did you do this? Go and return it, do not take anything except the same in return, for I used to hear the Messenger of Allah ﷺ saying, ‘Food is equal to its like.’ And at that time our food was barley, so it was said that it was not equal to it, so he (the Prophet ﷺ) said, ‘I fear that it might become close to riba.’"  

بِعْهُ ثُمَّ اشْتَرِ بِهِ شَعِيرًا فَذَهَبَ الْغُلَامُ فَأَخَذَ صَاعًا وَزِيَادَةَ بَعْضِ صَاعٍ فَلَمَّا جَاءَ مَعْمَرٌ خَبَّرَهُ بِذَلِكَ فَقَالَ مَعْمَرٌ لِمَ فَعَلْتَ؟ انْطَلِقْ فَرُدَّهُ لَا تَأْخُذَنَّ إِلَّا مِثْلاً بِمِثْلٍ فَإِنِّي كُنْتُ أَسْمَعُ رَسُولَ اللهِ ﷺ يَقُولُ «الطَّعَامُ مِثْلًا بِمِثْلٍ» وَكَانَ طَعَامَنَا يَوْمَئِذٍ الشَّعِيرُ فَقِيلَ إِنَّهُ لَيْسَ مِثْلَهُ فَقَالَ إِنِّي أَخَافُ أَنْ يُضَارِعَ الرِّبَا  

[Machine] Buy some barley with it and he went to take a Sa' (a measure of weight) and an additional amount of some Sa', so when Ma'mar came to know about this, he said to him, "Why did you do that?" "Go and return it, and only take a like for a like, for I used to hear the Messenger of Allah ﷺ say: 'Food is by a like for a like,' and our food at that time was barley. It was said to him: 'But there is nothing like it.' He said: 'I fear that it may be competed with.'"  

بِعْ ثُمَّ اشْتَرِ بِهِ شَعِيرًا فَذَهَبَ يَأْخُذُ صَاعًا وَزِيَادَةَ بَعْضِ صَاعٍ فَلَمَّا جَاءَ مَعْمَرٌ أَخْبَرَهُ بِذَلِكَ فَقَالَ لَهُ مَعْمَرٌ لِمَ فَعَلْتَ ذَلِكَ؟ انْطَلِقْ فَرُدَّهُ وَلَا تَأْخُذَنَّ إِلَّا مِثْلًا بِمِثْلٍ فَإِنِّي كُنْتُ أَسْمَعُ مِنْ رَسُولِ اللهِ ﷺ يَقُولُ الطَّعَامُ بِالطَّعَامِ مِثْلًا بِمِثْلٍ وَكَانَ طَعَامُنَا يَوْمَئِذٍ شَعِيرًا قِيلَ فَإِنَّهُ لَيْسَ مِثْلَهُ قَالَ فَإِنِّي أَخَافُ أَنْ يُضَارِعَ