3727 - وَ قَالَ رَسُولُ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ : "مَنْ بَاعَ وَ اِشْتَرَى فَلْيَحْفَظْ خَمْسَ خِصَالٍ وَ إِلاَّ فَلاَ يَشْتَرِيَنَّ وَ لاَ يَبِيعَنَّ اَلرِّبَا وَ اَلْحَلْفَ وَ كِتْمَانَ اَلْعُيُوبِ وَ اَلْمَدْحَ إِذَا بَاعَ وَ اَلذَّمَّ إِذَا اِشْتَرَى ".
Hadith.3727 - The Messenger of Allah (swt) (peace be upon him and his family) said: "Whoever buys and sells should observe five qualities; otherwise, let him not buy or sell: usury, swearing, concealing defects, praising when selling, and criticizing when buying."