Musa bin Abi Tmym موسى بن أبي تميم المدني · The Book of Financial Transactions

"Bilal brought some Bami dates to the Messenger of Allah and he said: 'What is this? 'He said: 'I bought a Sa of them for two Sas. The Messenger of Allah said: "O! The essence of Riba, do not approach it."'