Al-KÄfi - The Book of Commerce Chapter: Buying and Selling Goods ÙÙد٠بÙÙÙ ÙÙØÙÙÙ٠عÙÙ٠بÙعÙض٠أÙصÙØÙابÙÙ٠عÙÙ٠اÙÙØÙسÙÙÙÙ٠بÙÙ٠اÙÙØÙسÙÙ٠عÙÙÙ ØÙÙ ÙÙاد٠عÙÙ٠أÙبÙ٠عÙبÙد٠اÙÙÙÙ (عÙÙÙÙÙÙ٠اÙسÙÙÙا٠) ÙÙاÙÙ ÙÙÙÙرÙÙ٠أÙÙÙ ÙÙØ´ÙتÙرÙ٠اÙØ«ÙÙÙÙب٠بÙدÙÙÙÙار٠غÙÙÙر٠دÙرÙÙÙÙ Ù ÙØ£ÙÙÙÙÙ Ùا ÙÙدÙرÙÙ ÙÙÙ 7.
Muhammad ibn Yahya has narrated from certain persons of his people from al-Husayn ibn al-Hassan from Hammad who have said the following: âAbu â Abd Allah (a.s.), has said, âIt is undesirable to buy something with dinar which is other than (a particular) dirham because he does not know the value of dinar in relation to the dirham.ââ رس٠- Allamah Baqir al-Majlisi (MirʾÄt al-Ê¿UqÅ«l fÄ« Sharḥ AkhbÄr Äl al-RasÅ«l (19/214))