Abu Sa'id al-Khudri · The Book of Musaqah

" Take what you find, you will have nothing but alms.

I heard Allah's Messenger (ﷺ) addressing in Medina. He said: O people, Allah is giving an indication (of the prohibition) of wine. and He is probably soon going to give an order about it. So he who has anything of it with him should sell that, and derive benefit out of it. He (the narrator) said: We waited for some time that Allah's Apostle (ﷺ) said: Verily Allah, the Exalted, has forbidden wine. So who hears this verse and he…

Do not sell gold for gold, except like for like, and don't increase something of it upon something; and don't sell silver unless like for like, and don't increase some thing of it upon something, and do not sell for ready money something to be given later.

Do not sell gold for gold and silver for silver weight for weight or of the same quality.

Gold is to be paid for by gold, silver by silver, wheat by wheat, barley by barley, dates by dates, salt by salt, like by like, payment being made hand to hand. He who made an addition to it, or asked for an addition, in fact dealt in usury. The receiver and the giver are equally guilty.