It is narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "When you engage in 'inah transactions, hold onto the tails of cattle, become content with agriculture, and abandon jihad, Allah will impose humiliation upon you, and He will not remove it until you return to your religion."

It is narrated from Sayyiduna Rafi‘ bin Khadij (may Allah be pleased with him), he says: The Messenger of Allah (peace and blessings of Allah be upon him) forbade muhaqalah and muzabanah and said: "There are three types of people who cultivate land: (1) the man who cultivates in his own land, (2) the man to whom land has been temporarily gifted, he cultivates in it, and (3) the man who has rented land in exchange for gold or silver (he cultivates in it)."

Abdullah bin Umar (may Allah be pleased with them both) narrates that the Messenger of Allah (peace and blessings be upon him) forbade the townsman from selling on behalf of the villager, and he (peace be upon him) also said: "Do not go out to meet the traders (rather, let them reach the market); do not make a deal over the deal of another; and do not send a marriage proposal over the proposal of another, until the first suitor gives up (the idea of marrying that girl) or permits the other brother to send a proposal."

Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: "He is a sinner who hoards goods to increase prices for the Muslims."

It is narrated from Sayyiduna Abdullah bin Hanzalah Rahib (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) said: "Whoever knowingly consumes one dirham of usury, in the sight of Allah, (this crime) is more severe than committing adultery thirty-six times."

Sayyiduna Bara’ bin ‘Azib (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said:“Usury has seventy degrees, the least of which (in sin) is equivalent to a man committing adultery with his own mother.”And the greatest usury, that is, excess, is that a person violates the honor of his brother.”

Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) says: In the time of the Messenger of Allah (peace and blessings be upon him), we used to get mixed dates, and we would sell two sa' for one sa'. When this reached the Prophet (peace and blessings be upon him), he said: "You cannot sell two sa' of dates for one sa', nor two sa' of wheat for one sa', nor two dirhams for one dirham."

It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that the Noble Prophet (peace and blessings be upon him) forbade the price of wine, the earnings of a prostitute, and the price of a dog, and said: "When someone comes to you with the price of a dog, fill his hands with dust."

It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Prophet (peace and blessings of Allah be upon him) said: "Three (things) are forbidden: the earnings of the cupper, the earnings of a prostitute woman, and the price of a dog, except for a hunting dog."

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them) narrates that the Messenger of Allah (peace and blessings be upon him) said: "The price of alcohol is forbidden, the earnings of a prostitute are forbidden, the price of a dog is forbidden, the drum is forbidden, and if the owner of a dog comes to you to take its price, then fill his hands with dust. Alcohol, gambling, and every intoxicating thing are also forbidden."