Al-Miqdam b. Ma'dikarib reported God's Messenger as saying, “No one has ever eaten better food than what he eats as a result of the labour of his hands. God’s prophet David used to eat from what he had worked for with his hands.” Bukhari transmitted it.

He reported God's Messenger as saying, “A time will come to mankind when a man will not care whether what he gets comes from a lawful or an unlawful source.” Bukhari transmitted it.

Rafi' b. Khadij reported God’s Messenger as saying, "The price paid for a dog is impure, the hire paid to a prostitute is impure, and the earnings of a cupper are impure.” Muslim transmitted it.

Aba Juhaifa said that the Prophet (ﷺ) forbade the price paid for blood1, the price paid for a dog, and the earnings of a prostitute, and cursed him who accepted and him who paid usury, him who tattooed and him who had himself tattooed, and the sculptor2. Bukhari transmitted it. 1. This refers to the blood of an animal. 2. Musawwir. The meaning is more comprehensive than any English word. It also means “painter”, or anyone who produces representations of living beings.

Jabir said the God’s Messenger forbade payment for dogs and cats. Muslim transmitted it.

‘A'isha reported the Prophet (ﷺ) as saying, “The pleasantest things you enjoy come from what you earn, and your children come from what you earn”*. The version of Aba Dawud and Darimi has, “The pleasantest things a man enjoys come from what he earns and his child comes from what he earns.” Tirmidhi, Nasa’i and Ibn Majah transmitted it. *Or “are a part of your earnings.” The phrase expresses two ideas: the children are the result of marriage, and parents who are in need may receive support from their children.

Jabir reported God’s Messenger as saying, “Flesh which has grown out of what is unlawful will not enter paradise*, but hell is more fitting for all flesh which has grown out of what is unlawful.” Ahmad, Darimi, and Baihaqi, in Shu'ab al-iman, transmitted it. *The reference here is to people who live on unlawful source of income.

Al-Hasan b. ‘Ali said: I have retained in my memory these words of God's Messenger, “Leave what causes you doubt and turn to what does not cause you doubt. Truth is tranquility, but falsehood is doubt.” Ahmad, Tirmidhi and Nasa’i transmitted it, and Darimi transmitted the first part.

'Atiya as-Sa'di reported God's Messenger as saying, "No one will attain to being one of the pious till he abandons things which are harmless through being on his guard against what is harmful." Tirmidhi and Ibn Majah transmitted it.

Anas said that God’s Messenger cursed ten people in connection with wine: the wine-presser, the one who has it pressed, the one who drinks it, the one who conveys it, the one to whom it is conveyed, the one who serves it, the one who sells it, the one who benefits from the price paid for it, the one who buys it, and the one for whom it is bought. Tirmidhi and Ibn Majah transmitted it.

Ibn 'Umar reported God's Messenger as saying, "God has cursed* wine, its drinker, its server, its seller, its buyer, its presser, the one for whom it is pressed, the one who conveys it and the one to whom it is conveyed." Abu Dawud and Ibn Majah transmitted it. * This might equally well be translated "God curse ...” as the perfect expresses both past time and a wish.

‘Abdallah b. Mas'ud reported God's Messenger as saying, “Trying to earn a lawful livelihood is an obligatory duty in addition to the duties which are obligatory.” Baihaqi transmitted it in Shu’ab al-iman.

Ibn ‘Abbas was asked about payment for writing a copy of the Qur’an and replied, “There is no harm. They are just people who draw figures and get a living simply by their handiwork.” Razin transmitted it.

Rafi' b. Khadij said God's Messenger was asked what type of earning was best and replied, “A man’s work with his hand and every business transaction which is approved.” Ahmad transmitted it.

Abu Bakr b. Aba Maryam said that Miqdam b. Ma'dikarib had a slave girl who sold milk the price of which was taken by Miqdam. Some people said, “Glory be to God! Do you sell milk and accept what is paid for it?” He replied that he did, and asked what harm there was in that, for he had heard God’s Messenger say, “A time is certainly coming to mankind when only the dinar and the dirham will be of use.” Ahmad transmitted it.

Nafi' said he used to fit out business expeditions to Syria and to Egypt. Having fitted out one to ‘Iraq he went to ‘A’isha, the mother of the faithful, and told her that he had been accustomed to fit out expeditions to Syria, and now he had done so to ‘Iraq. She told him not to do so, asking him what was the matter with the place with which he had traded, for she had heard God's Messenger say, “When God has appointed provision for any of you in a particular direction he should not give it up till it changes for the worse.”* Ahmad and Ibn Majah transmitted it. * Alternatives are given for this last phrase. They amount to the same thing, and so it may be understood that there was doubt as to which word was used. It reads hatta yataghayyara lahu au yatanahhara lahu. But it has been suggested that the first verb refers to lack of profit and the second to loss of capital. Cf. Mirqat, iii, 299.

'A’isha said: Abu Bakr had a slave who brought him his earnings and Abu Bakr would eat* some of his earnings. One day he brought him something and when Abu Bakr had eaten some of it the slave asked him whether he knew what it was. Abu Bakr asked what it was, and he replied, "I acted as a soothsayer for a man in the pre-Islamic period, and not being good at it, I deceived him; but he met me and gave me that, so this is the thing of which you have eaten.” She said that Abu Bakr then put his hand in his mouth and vomited everything which was in his stomach. Bukhari transmitted it. * Here the word is used in its literal sense. Elsewhere the word is often translated by "enjoy when it is not clear that something is actually eaten.”

Abu Bakr reported God’s Messenger as saying, “Nobody which has been nourished with what is unlawful will enter paradise.” Baihaqi transmitted it in Shu'ab al-iman.

Zaid b. Aslam said that 'Umar b. al-Khattab drank some milk which pleased him and asked the one who had given him the drink where he had got that milk from. He informed him that he had gone down to a watering-place which he named where there were some of the camels of the sadaqa. The people who were watering the camels had drawn some milk for him which he had put in his milk-skin, and that was what he had given him. ‘Umar then put his hand in his mouth and vomited it. Baihaqi transmitted it in Shu'ab al-iman.

Ibn 'Umar said that if anyone buys a garment for ten dirhams among which is one unlawfully acquired, God most high will not accept prayer from him as long as he wears it. He then put a finger in each ear and said, “May they become deaf if the Prophet (ﷺ) was not the one I heard say it!” Baihaqi transmitted it in Shu'ab al-iman, saying that its isnad is weak.