Sunan An Nasai
5106
It was narrated from Husain, Mughirah, and Ibn 'Awn, from Ash-Sh'abi, from Al-Harith, from 'Ali, that:
The Messenger of Allah [SAW] cursed the one who consumes Riba, the one who pays it, the one who writes it down, and the one who withholds..
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