The Noble Prophet (peace and blessings be upon him) said: The reward of three deeds is my responsibility, that is, they are very great deeds: giving a gift, offering a sacrifice, and a person performing Hajj on behalf of another person when he himself has not performed Hajj at all.

Hazrat Shurayh (may Allah have mercy on him) says that no person gives a loan nor gives wealth, but the lender is superior to both of them, and if he repays, then he should repay well.

Hazrat Abu Darda says that it is more beloved to me to lend someone two dinars than to give both of them in charity. Indeed, if I give them in charity, then they return to me and I give them in charity again, I will receive double the reward.

The Noble Prophet (peace and blessings be upon him) said on the day of the conquest of Makkah: Indeed, Allah and His Messenger (peace be upon him) have declared the sale of alcohol, swine, idols, and carrion to be unlawful.

Hazrat Shaqiq narrates that Hazrat Masruq passed by a place in Maqam Silsilah where idols made of brass were being sold. Hazrat Masruq said, "If I knew that their price could be paid, I would break them. But I fear that if I do so, people will harass and trouble me. By Allah! I do not know which of the two men is worse: one whose evil deed has been made attractive to him, or the other who, having lost hope in the Hereafter, seeks benefit only from this world."

Hazrat Mujahid (may Allah have mercy on him) says that a person inherited silver idols, swine, and wine. He asked a group of the Companions (may Allah be pleased with them) about this matter. All of them instructed him to break the idols and turn them into silver, and then sell it, and all of them forbade the sale of wine and swine.

Hazrat Ubaiyah bin Rafa’ah narrates that his grandfather passed away and left behind a slave woman who used to earn money. This matter was mentioned to the Prophet صلی اللہ علیہ وسلم , so he صلی اللہ علیہ وسلم declared the earnings of the slave woman as disliked and said that perhaps she has no other way, that is why she does so.

It is narrated from Hazrat Abu Huraira (may Allah be pleased with him) that the Holy Prophet (peace and blessings be upon him) forbade earnings from a slave woman.

Hazrat Usman (may Allah be pleased with him) said: Do not make a child responsible for earning, otherwise he will steal; and do not make a slave-girl responsible for earning, otherwise she will earn through her private parts; and remain chaste as long as Allah has kept you chaste, and for you are those profits which are pure and lawful for you.

It is narrated from Hazrat Jabir (may Allah be pleased with him) that the Holy Prophet (peace and blessings be upon him) forbade taking revenue from a slave woman, except if she is engaged in regular work.