Narrated by Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: Among the Children of Israel, there was a man who bought land from another man. The buyer found a pot of gold in that land. He said to the seller: Take your gold, for I bought the land from you, not the gold. But the seller said: I sold the land and everything in it to you. So they both took their case to a man for judgment. He asked: Do you have children? One of them said: He has a son, and the other said: She has a daughter. He said: Marry the boy to the girl, spend the gold on them, and give some amount in charity.

Narrated from Sayyiduna ‘Urwah bin Abi Ja‘d Barqī (may Allah be pleased with him) that news reached the Noble Prophet (peace and blessings be upon him) that a caravan with merchandise had arrived. So the Prophet (peace and blessings be upon him) gave me one dinar and said:“‘Urwah! Go to the caravan and buy a goat for us.”So I went to the caravan and bargained with the owner of the goats and bought two goats for one dinar. As I was bringing them back, I met a man on the way, made a deal with him, and sold him one goat for one dinar. Thus, I returned with one goat and one dinar and said:“O Messenger of Allah! Here is your dinar and here is your goat.”The Prophet (peace and blessings be upon him) asked:“How did you make this deal?”I told him the whole story. Then the Prophet (peace and blessings be upon him) said:“O Allah! Bless him in his trade.”This supplication was accepted to such an extent that I would stand at the place of Kunāsah in Kufa and, before reaching home, would earn a profit of forty thousand. This companion used to buy and sell slave girls.

Narrated by Sayyiduna Abu Hurairah (may Allah be pleased with him), the Noble Prophet (peace and blessings be upon him) said: Through a false oath, goods may be sold, but the blessing is removed from the earnings.

Narrated by Sayyiduna Abdur Rahman bin Shibl (may Allah be pleased with him): The Messenger of Allah (peace and blessings be upon him) said: "Traders are evil people." Someone said to him (peace and blessings be upon him): "O Messenger of Allah! Has Allah Almighty not made trade lawful?" He (peace and blessings be upon him) said: "Yes, of course, but the thing is that when these people speak, they lie, and when they swear (false) oaths, they become sinful."

It is narrated from Sayyiduna Abu Qatadah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: Avoid excessive swearing in trade, for although it makes the goods sell, the blessing is erased.

Narrated from Sayyiduna Qais bin Garzah (may Allah be pleased with him), he says: In the time of the Messenger of Allah (peace and blessings be upon him), we (traders) were called samasir, that is, brokers. In one narration it is stated: We used to sell slaves in the market. In another narration it is stated: We used to sell goods in Madinah Munawwarah. Once, the Messenger of Allah (peace and blessings be upon him) came to us in Baqi‘ and said: O group of traders! Thus, he (peace and blessings be upon him) gave us a better name than our previous one. In one narration it is stated: The name we had chosen for ourselves, he (peace and blessings be upon him) gave us a better name than that. Also, he (peace and blessings be upon him) said: In trade, unlawful oaths and lies become mixed, so give charity along with it. In one narration it is stated: In these markets, idle talk and false oaths are common, so give charity along with them.

It is narrated from a companion that the Messenger of Allah, peace and blessings be upon him, intended to prohibit trade, but the companions said: O Messenger of Allah! This trade is our means of livelihood. The Prophet, peace and blessings be upon him, said: Then there should be no deception in it. At that time, we were called brokers.

Narrated by Sayyiduna Abu Hurairah (may Allah be pleased with him), the Messenger of Allah (peace and blessings be upon him) said: There are so many oaths in this place that do not ascend to Allah Almighty. Then I saw in this place those who sell livestock and slaves.

Narrated from Sayyiduna Jubair bin Mut’im (may Allah be pleased with him) that a man came to the Noble Prophet (peace and blessings be upon him) and said: O Messenger of Allah! Which part of the earth is the worst? The Prophet (peace and blessings be upon him) replied: I do not know. When Jibreel (peace be upon him) came to the Prophet (peace and blessings be upon him), he asked him this question, but he said: I also do not know, but I will ask my Lord. So he left, then after some delay or period, when he returned, he said: O Muhammad! You had asked about the worst part of the earth and I had said that I do not know, then I asked my Lord, so He said that the worst part of the surface of the earth is the marketplaces.

It is narrated from the slave of the Quraysh, Ata bin Farukh, that Sayyiduna Uthman (may Allah be pleased with him) bought a piece of land from a man, but that man delayed in meeting him. Then when he met him, Uthman (may Allah be pleased with him) said: What has prevented you from taking possession of your wealth? He said: You have deceived me; whoever I meet blames me. He (Uthman) said: Is this an obstacle? He said: Yes. He (Uthman) said: Fine, choose one thing from your land or your wealth. Then he narrated that the Messenger of Allah (peace and blessings be upon him) said: Allah Almighty will admit to Paradise the person who adopts gentleness at the time of buying, selling, paying a debt, or demanding a debt.