al-Harith bin Mskyn bin Muhammad الحارث بن مسكين بن محمد · The Book of Financial Transactions

"The Messenger of Allah said: "There will come a time when there will be no one left who does not consume Riba, and whoever does not consume it will nevertheless be affected by residue." (Sahih )

"The Messenger of Allah (ﷺ) forbade meeting traders on the way, until one enters the market with them?" Abu Usamah acknowledged it and said: Yes.

"The Messenger of Allah said: 'Do and whoever meets any of them and buys from him the vendor has the choice of annulling the transaction when he comes to the marketplace."'

"The Messenger of Allah forbade two kinds of transactions: Mulamash and Munabddhah "

"The Messenger of Allah forbade two kinds of garments, and he forbade two kinds of transactions for us: Munabadhah and Mulamasah, which are kinds of transactions which were common during the Jahiliyyah."

"The Messenger of Allah said: "If you sell fruits to your brother then the crop fails, it is not permissible for you it takes anything from him. Why would you take the wealth of your brother unlawfully?"'

Rafi bin Khadij and Sahl Bi Abi Hathamah narrated that the Messenger of Allah forbade Muzabanah, which means selling fresh dates still on the tree for dried dates, except in cases of 'Araya, for which he gave permission. (Sahih

he did not see anything wrong with parying Dirhams for Dinars.

"The Messenger of Allah said: "Volume is to be measured according to the system of the people of Al-Madinah, and weight is to be measured according to the system of the peole of Makkah."' (Sahih) This is the wording of Ishaq (one of the narrators).

"The Messenger of Allah said: 'Whoever buys food, let him not sell it until he has taken possession of it."'

"Abu Burdah and 'Abdullah bin Shaddad argued about payment in advance. They sent me to Ibn Abi Awfa and I asked him (about that). He said: 'We used to pay in advance during the time of the Messenger of Allah and Abu Bakr and 'Umar, for wheat, barley, raisins and dates, paying people whom we did not see it with them." And I asked Ibn Abza and he said something similar to that.

"A man has more right to his own wealth when he finds it, and the buyer should pursue the one who sold it to him."