"I asked Abu Abyub [Al-Ansari] how the slaughtering was done during the time of the Messenger of Allah (saws). He said: 'A man would sacrifice a sheep for himself and the people in his household. They would eat from it and feed others, until the people (later) would boast about it and it became as you see now."

That a man asked Ibn 'Umar about the Udhiyah, "Is it obligatory?" So he said: "The Messenger of Allah (saws) performed the Udhiyah as did the Muslims." He repeated the question. So he said: "Do you understand ?" The Messenger of Allah (saws) slaughtered as did the Muslims."

"The Messenger of Allah (saws) stayed in Al-Madinah for ten years performing the Udhiyah.

"The Messenger of Allah (saws) delivered a sermon to us on the Day of Nahr and he said: 'None of you should slaughter until he performs the Salat." He said: 'So my maternal uncle stood and said: ' O Messenger of Allah, this is the day in which meat is disliked, and I hastened my sacrifice to feed my family and the people of my dwellings - or - 'my neighbors.' He said: 'Repeat your slaughter with another.' He said: 'O Messenger of Allah (saws) I have a she-kid that has better meat than my sheep, should I slaughter it?' He said: 'Yes, and it is better and it will suffice for you, but a Jadha' will not be accepted after you.' "

That the Prophet (saws) said: "None of you should eat from the meat of his sacrificial animal beyond three days."

From his father that the Messenger of Allah (saws) said: "I used to prohibit you from (eating) the meat of Sacrifice beyond three days so that those who have the ability would give to those who do not have it. So (now) eat as you like, feed others, and save from it."

"I said to the Mother of the Believers: 'Did the Messenger of Allah (saws) prohibit from the meat of the sacrifice?' She said: 'No, but only a few people could slaughter, so he liked that they feed those who did not slaughter. (Later) we would store a leg to eat after ten days."

That the Messenger of Allah (saws) said: "There is no Fara' or 'Atirah." The Fara' is the first of the offspring that would be born to them, so they would slaughter it. The 'Atirah was an animal that they would slaughter during Rajab to honor the month of Rajab, since it was the first of the sacred months.

They entered upon Hafsah bint 'Abdur-Rahman to ask her about the 'Aqiqah. She informed them that 'Aishah had informed her, that the Messenger of Allah (saws) ordered them that for a boy, two sheep were sufficient, and for a girl one sheep.

That his father said: "I saw the Messenger of Allah (saws) say the Adhan in the ear of Al-Hasan bin 'Ali - when he was born to Fatimah - the Adhan of Salat."

That the Messenger of Allah (saws) said: "For a boy, there is an 'Aqiqah. So spill blood for him and remove the harm from him."

Another chain with similar.

That she asked the Messenger of Allah (saws) about the 'Aqiqah. He said: "For the boy is two sheep, and for the girl is one, it will not harm you if they (i.e. the sheep) are male or female."

That the Messenger of Allah (saws) said: "The best of Udhiyah (sacrifice) is a ram, and the best (burial) shroud is the Hullah."

"We were standing with the Prophet (saws) at 'Arafat when I heard him say: 'O you people! For every household each year is Udhiyah (sacrifice) and 'Atirah. Do you know what an 'Atirah is ? It is that which you call Ar-Rajabiyyah.'"

That Ali bin Abi Talib said: "The Messenger of Allah (saws) had the 'Aqiqah for Al-Hasan with one sheep, and said: 'O Fatimah! Shave his head and give the weight of his hair in silver as charity.'" He said: "So I weighed it, and it was the weight of a Dirham or a bit of a Dirham."

From his father, that the Prophet (saws) gave a Khutbah, then he descended and called for two rams and slaughtered them.

"I attended the Eid Al-Adha' with the Prophet (saws) at the Musalla. When he finished his Khutbah, he descended from his Minbar and was given a male sheep. The Messenger of Allah (saws) slaughtered it with his hand and said: 'Bismillah, Wa Allahu Akbar, this from me and whoever does not slaughter from my Ummah.'"

That the Messenger of Allah (saws) said: "The boy is mortgaged by his 'Aqiqah; slaughtering should be done for him on the seventh day, he should be given a name, and his head should be shaved."

Another chain with similar meaning.

That the Prophet (saws) said: "Whoever sees the crescent of Dhul-Hijjah, and wants to slaughter a sacrifice he should not take from his hair nor from his nails."

That the Messenger of Allah (saws) said: "There is no vowing for disobedience, and its atonement is the atonement of an oath."

That the Prophet (saws) said: "There is no vowing in disobedience to Allah, and its atonement is the atonement of an oath."

That the Prophet (saws) said: "Whoever vowed to obey Allah, then he should obey Him. And whoever vowed to disobey Allah, then he should not disobey Him."

Another Chain with similar meanings.

That the Prophet (saws) said: "It is not for a person to vow about that over which he has no control."

That the Messenger of Allah (saws) said: "The atonement of a vow when it is not specified is the atonement of an oath."

That the Messenger of Allah (saws) said: "O 'Abdur-Rahman! Do not ask for a position of leadership, for if you receive it due to asking, you will be left alone with it, and if you receive it without asking, then you will be aided in it. And if you take an oath and you see that something else is better than it, then do what is better, and make an atonement for your oath."

That the Prophet (saws) said: "Whoever takes an oath, and then he sees that something else is better than it, then he should make atonement for his oath and then do it."

That the Messenger of Allah (saws) said: "Whoever swears about an oath and says: 'If Allah wills (Insha Allah), then there is no breaking of the oath against him."

That the Messenger of Allah (saws) said: "Whoever swears [about an oath] and says: 'If Allah wills (Insha Allah), then he will not have broken it."

From his father (Ibn 'Umar) that the Prophet (saws) heard 'Umar saying: "By my father, By my father!" So he said: "Verily Allah prohibits you from swearing by your father." So 'Umar said: "By Allah I did not swear by him after that, neither intentionally nor in narrating."

That the Messenger of Allah (saws) came across 'Umar while he was on his mount, and he was swearing by his father. So the Messenger of Allah (saws) said: "Verily Allah prohibits you from swearing by your fathers. So let the one who swears, swear by Allah, or be silent."

That Ibn 'Umar heard a man saying: "No by the Ka'bah" so Ibn 'Umar said: "Nothing is sworn by other than Allah, for I heard the Messenger of Allah (saws) say: 'Whoever swears by other than Allah, he has committed disbelief or shirk.'"

"A Woman vowed to walk to the House of Allah, so the Prophet (saws) asked about that, and he said: 'Verily Allah is in no need of her walking, order her to ride.'"

"The Prophet (saws) passed by old man walking (while supported) between his two sons, so he said: 'What is the matter with this one?' They said: "O Messenger of Allah! He vowed to walk.' He said: 'Verily Allah [the Mighty and Sublime] is in no need of this person punishing himself.'" He said: "So he ordered him to ride."

Another Chain from Anas that the Messenger of Allah (saws) saw a man, and he mentioned similarly.

That the Messenger of Allah (saws) said: "Do not vow, for the vows does not prevent what is decreed at all, and it only causes the miser to spend (of his wealth)."

"I said:'O Messenger of Allah! I had vowed to perform I'tikaf in Al-Masjid Al-Haram for a night during the era of Jahiliyyah.' He said: 'Fulfill your vow.''"

From this father (Ibn Umar) who said: "The Messenger of Allah (saws) often would swear with this oath: 'No! By the Changer of the Hearts.'"

"I heard the Messenger of Allah (saws) saying: 'Whoever frees a believing slave, then Allah frees a limb from the Fire for each of his limbs, such that he frees his private parts in lieu of his private parts.'"

"We were seven brothers without a servant except one, and one of us slapped her, so the Prophet (saws) ordered us to free her."

That the Messenger of Allah (saws) said: "Whoever swears by a religion other than Islam while lying, then he is as he said."

"I said: 'O Messenger of Allah! My sister vowed that she would walk to the House barefoot and without Khimar (covering).' The Prophet (saws) said: 'Verily Allah will not do anything with the misery of your sister. She should ride, and cover, and fast three days.'"

That the Messenger of Allah (saws) said: "Whoever among you swears, saying in his oath: 'By Al-Lat! By Al-'Uzza!' Then let him say 'La ilaha illa Allah' And whoever says: 'Come let me gamble with you!' Then let him give in charity."

That Sa'd bin 'Ubadah asked the Messenger of Allah (saws) about a vow that was due from his mother, who died before fulfilling it. The Prophet (saws) said: "Fulfill it for her."

"Any Muslim man who frees a Muslim man, then it is his salvation from the Fire - each of his limbs suffices for a limb of himself. And any Muslim man that frees two Muslim women, then are his salvation from the Fire - each of their limbs suffices for a limb of himself. And any Muslim woman that frees a Muslim woman, then she is her salvation from the Fire - each of her limb suffices for a limb of herself."

"An Army from the armies of the Muslims, whose commander was Salman Al-Farisi, besieged one of the Persian castles. They said: 'O Abu 'Abdullah! Should we charge them?' He said: 'Leave me to call them (to Islam) as I heard the Messenger of Allah (saws) call them.' So Salman went to them and said: 'I am only a man from among you, a Persian, and you see that the Arabs obey me. If you become Muslims then you will have the likes of what we have, and from you will be required that which is required from us. If you refuse, and keep your religion, then we will leave you to it, and you will give us the Jizyah from your hands while you are submissive.' He said to them in Persian: 'And you are other than praiseworthy and if you refuse then we will equally resist you.' They said: 'We will not give you the Jizyah, we will fight you instead.' So they said: 'O Abu 'Abdullah! Should we charge them?' He said: 'No.'" He said: "So for three days he called them to the same (things), and then he said: 'Charge them.'" He said: "So we charged them, and we conquered the castle."

From his father and he was a Companion who said: "When the Messenger of Allah (saws) dispatched any army or battalion, he would say to them: 'If you see a Masjid, or hear someone calling the Adhan, then do not kill anyone.'"

"When the Messenger of Allah (saws) set out for Khaibar, he approached it at night and when he came to a people during the night, he would not attack them until morning. So when the morning came, the Jews came out with their shovels and baskets, then when they saw him, they said: 'Muhammad! By Allah Muhammad has come with the Khamis (an army).' So the Messenger of Allah (saws) said: 'Allahu Akbar! Khaibar is destroyed, for whenever we approach the land of people - then what an evil morning for those who have been warned.'"