'Abdullah ibn 'Amr said, "Abu Mas'ud, what did you hear the Messenger of Allah, may Allah bless him and grant him peace, say about 'People who make false claims?" He replied, "I heard him say, 'A bad mount for a man' and I heard him say, 'Cursing a believer is like killing him.'"

'A'isha reported that Abu Bakr cursed one of his slaves and the Prophet, may Allah bless him and grant him peace, said, "Abu Bakr! The cursers and the true! No, by the Lord of the Ka'ba," and he repeated that two or three times. That very same day Abu Bakr freed one of his slaves. The Prophet, may Allah bless him and grant him peace, came and said, "Do not do that again (i.e. curse someone)."

"The Messenger of Allah cursed the Muhill and the one the Muhallal was done for."

"The Messenger of Allah cursed the Muhill and the one the Muhallal was done for."

"Allah's Messenger cursed three people: A man who leads people (in Salat) while they dislike him, a woman who spends a night while her husband is angry with her, and a man who hears: 'Hayya Alal Falah (come to success)' then does not respond."

"The Messenger of Allah (SAW) said: 'When the Children of Isra'il fell into decline, a man among them would see his brother committing a sin, and prohibit them from it. The next day, what he saw him doing would not prevent him from eating with him, drinking with him, and associating with him. So Allah pitted their hearts against each other, and He revealed about them in the Qur'an, He said: Those among the Children of Isra'il who disbelieved were cursed by the tongue of Dawud and 'Eisa, son of Mariam. That was because they disobeyed and were ever transgressing.' And he recited until he reached: 'And had they believed in Allah, and in the Prophet, and in what has been revealed to him, never would they have taken them as friends; but many of them are rebellious (5:78-81).' He said: "And Allah's Prophet (SAW) was reclining, so he sat up and said: 'No! Not until you take the hand of the wrong-doer and incline him toward the truth.'"

While God's messenger was praying at the Ka'ba and the company of Quraish were in the places where they sat, someone said, "Which of you will go to the sacrificial camel of the family of so and so, make for the contents of its stomach, its blood and the skin over the foetus then wait and put it on his shoulders when he prostrates himself?" The most wretched one among them* then went off, and when he prostrated himself put it on his shoulders; and as the Prophet remained in prostration, they laughed to such an extent that they rolled against one another. Someone went to tell Fatima who came running, and the Prophet remained in prostration till she threw it off him, faced them and reviled them. Then when God's messenger finished the prayer, he said three times, "0 God, deal with Quraish (it being his practice when he made supplication to make it three times and when he made a request to make it three times); 0 God, deal with 'Amr b. Hisham, `Utba b. Rabi'a, Shaiba b. Rabi'a, al Walid b. `Utba, Umayya b. Khalaf, `Uqba b. Abu Mu'ait, and `Umara b. al-Walid." `Abdallah said: I swear by God that I have seen them prostrate at the battle of Badr, after which they were dragged to the well, the well of Badr; and God's messenger said, "Those thrown into the well have been followed with a curse." *Mirqat, 5:409, says this was either Abu Jahl, or `Uqba b. Abu Mu'ait, adding that Nawawi said it was the latter. (Bukhari and Muslim.)

Abu Juhayfa said, "A man complained to the Prophet, may Allah bless him and grant him peace, about his neighbour. The Prophet said, 'Take your bags and put them in the road and whoever passes them will curse him.' Everyone who passed him began to curse that neighbour. Then he went to the Prophet, may Allah bless him and grant him peace, and said, 'How many people I met!' He said, 'The curse of Allah is on top of their curse!' Then he told the one who had complained, 'You have enough,' or words to that effect."

"The first Li'an in Islam was when Hilal bin Umayyah accused Sharik bin As-Sahma' (of committing adultery) with his wife. He came to the Prophet and told him about that. The Prophet said: '(Bring) four witnesses, otherwise (you will feel) the Hadd punishment on your back.' And he repeated that several times. Hilal said to him: 'By Allah, O Messenger of Allah! Allah, the Mighty and Sublime, knows that I am telling the truth, and Allah, the Mighty and Sublime, will certainly reveal to you that which will spare my back from the whip.' While they were like that, the Verse of Li'an was revealed to him: 'As to those who accuse their wives.' He called Hilal and he bore witness four times by Allah that he was telling the truth, and the fifth time he invoked the curse of Allah upon him if he were lying. Then he called the woman and she bore witness four times by Allah that he was lying. When it came to the fourth or fifth time, the Messenger of Allah said: 'Stop her, for it will inevitably bring the punishment of Allah upon the liar.' She hesitated until we thought that she was going to confess, then she said: 'I will not dishonor my people today.' Then she went ahead with the oath. The Messenger of Allah said: 'Wait and see. If she produces a child who is white, with straight hair and Qadiy'a eyes, then he belongs to Hilal bin Umayyah, but if she produces a child who is dark with curly hair, of average size and with narrow calves, then he belongs to Sharik bin As-Sahma'.' She produced a child who was dark with curly hair, of average size and with narrow calves. The Messenger of Allah said: 'Had not the matter been settled by the Book of Allah, I would have punished her severely.'"

"When my Ummah does fifteen things, the afflictions will occur in it." It was said: "What are they O Messenger of Allah?" He said: "When Al-Maghnam (the spoils of war) are distributed (preferentially), trust is usurped, Zakah is a fine, a man obeys his wife and disobeys his mother, he is kind to his friend and abandons his father, voices are raised in the Masajid, the leader of the people is the most despicable among them, the most honored man is the one whose evil the people are afraid of, intoxicants are drunk, silk is worn (by males), there is a fascination for singing slave-girls and music, and the end of this Ummah curses its beginning. When that occurs, anticipate a red wind, collapsing of the earth, and transformation."

"We were with 'Abdullah bin 'Umar when he was circumambulating the House; a man came up to him and said: 'O Ibn 'Umar, what did you hear the Messenger of Allah say about the Najwa?' He said: 'I heard the Messenger of Allah say: 'On the Day of Resurrection, the believer will be brought close to his Lord until He will cover him with His screen, then He will make him confess his sins. He will ask him: "Do you confess?" He will say: "O Lord, I confess." This will continue as long as Allah wills, then He will say: "I concealed them for you in the world, and I forgive you for them today." Then he will be given the scroll of his good deeds, or his record, in his right hand. But as for the disbeliever or the hypocrite, (his sins) will be announced before the witnesses.' " (One of the narrators) Khalid said: "At: 'before the witnesses' there is something missing." "These are the ones who lied against their Lord!' No doubt! The curse of Allah is on the wrongdoers."

We did such and such. And he would say: Allah and his Messenger spoke the truth. Al-Ashtar said to him: What you say is becoming widespread among the people. Is it something that the Messenger of Allah (ﷺ) advised you to say? ‘Ali (رضي الله عنه) said: The Messenger of Allah (ﷺ) did not advise me to say anything to the exclusion of other people, except something I heard from him and it is written in a document in the sheath of my sword. They kept on at him until he took out a document, in which it said: `Whoever commits an offence or gives refuge to an offender, upon him be the curse of Allah and the angels and all the people; no nafl or obligatory act of worship will be accepted from him.” And in it was said. Ibraheem declared Makkah to be a sanctuary and I declare Madinah to be a sanctuary; the area between its two lava fields and all of its territory is sacred. It`s grasses are not to be cut, and its game is not to be disturbed, and its lost property is not to be picked up except by the one who announces it, and no tree is to be cut in it, except what a man needs to feed his camel. And no weapon is to be carried in it for fighting.` And in it was said: `All the believers are equal in respect of blood [i.e., their lives are of equal value] . The protection offered by the least among them is to be honoured. They should be united as one against their enemies. A believer is not to be killed (in retaliation) for a disbeliever, nor one who has a covenant during the covenant.