"I used to forbid you to store the meat of the sacrifices for more than three days so that there would be enough for everyone. But now Allah, the mighty and sublime, has bestowed plenty upon us, so eat some, give some in charity and store some, For these days are the days of eating, drinking and remembering Allah." A man said: "O Messenger of Allah, we used to sacrifice the 'Atirah during the Jahiliyyah in Rajab; what do you command us to do?" He said: "Sacrifice to Allah, the Mighty and Sublime, whatever month it is, do good for the sake of Allah, the Mighty and Sublime, and feed (the poor)." He said: "O Messenger of Allah, we used to sacrifice the Fara' during the Jahiliyyah; what do you command us to do?" He said: "For every flock of grazing animals, feed the firstborn as you feed the rest of your flock, until it reaches an age where it could be used to carry loads, then sacrifice it, and give its meat in charity to the wayfarer, for that is good."
Sunan an-Nasa'i Book 41, Hadith 9
'Abd al-Hamid b. Abd 'Allah b. 'Abd Allah b. 'Umar b. al-Khattab copied to me a document about the religious endowment (waqf) made by 'Umar b. al-Khattab : In the name of Allah, the Compassionate, the Merciful. This is what Allah's servant 'Umar has written about Thamgh. He narrated the tradition like the one transmitted by Nafi'. He added: "provided he is not storing up goods (for himself)". The surplus fruit will be devoted to the beggar and the deprived. He then went on with the tradition, saying: If the man in charge of Thamgh wishes to buy a slave for his work for its fruits (by selling them), he may do so. Mu'iqib penned it and 'Abd Allah b. al-Arqam witnessed it : In the name of Allah, the Compassionate, the Merciful. This is what Allah's servant 'Umar , Commander of Faithful, directed, in case of some incident happens to him (i.e. he dies), that Thamg, Sirmah b. al-Akwa', the servant who is there, the hundred shares in (the land of) Khaibr, the servant who is there and the hundred sahres which Muhammad (ﷺ) had donated to me in the valley (nearly) will remain in the custody of Hafsah during her life, then the men of opinion from her family will be in charge of these (endowments), that these will neither be sold not purchased, spending (its produce) where they think (necessary on the beggar, deprived and relatives). There is no harm to the one in charge (of this endowment) if he eats himself, or feeds, or buys slaves with it.
Sunan Abi Dawud Book 18, Hadith 18
Yahya related to me from Malik that Humayd ibn Qays al-Makki
said, "A man came to the Messenger of Allah, may Allah bless him and
grant him peace, with the two sons of Jafar ibn Abi Talib. He said to
their nursemaid, 'Why do I see them so thin?' Their nursemaid said,
'Messenger of Allah, the evil eye goes quickly to them. Nothing stops
us from asking someone to make incantations (using ayats of Quran)
for them, except that we do not know what of that would agree with
you.' The Messenger of ,Allah, may Allah bless him and grant him
peace, said, 'Make incantations for them. Had anything been able to
precede the decree, the evil eye would precede it.' "
Muwatta Malik Book 50, Hadith 3
I was asked about the invokers of curses during the reign of Mus'ab (b. Zubair) whether they could separate (themselves by this process). He said: I did not understand what to say. So I went to the house of Ibn 'Umar (Allah be pleased with them) in Mecca. I said to his servant: Seek permission for Me. He said that he (Ibn 'Umar) had been taking rest. He (Ibn 'Umar) heard my voice. and said: Are you Ibn Jubair? I said: Yes. He'said: Come in. By Allah, it must be some (great) need which has brought you here at this Hour. So I got in and found him lying on a blanket reclining against a pillow stuffed with fibres of date-palm. I said: O Abu'Abd al-Rahman, should there be separation between the invokers of curses? He said: Hallowed be Allah, yes, The first one who asked about it was so and so. he said: Messenger of Allah, tell me If one of us finds his wife committing adultery: what should he do? If he talks, that is something great, and if he keeps quiet that is also (something great) (which he cannot afford to do). Allah's Prophet (ﷺ) kept quiet (or some time). After some time he (that very person) came to him (Allah's Messenger) and said: I have been involved in that very cage about which I had asked you Allah the Exalted and Majestic then revealed (these) verses of Surah Nur:" Those who accuse their wives" (verse 6), and he (the Holy Prophet) recited them to him and admonished him, and exhorted him and informed him that the torment of the world is less painful than the torment of the Hereafter. He said: No, by Him Who sent you with Truth, I did not tell a lie against her. He (the Holy Prophet) then called her (the wife of that person who had accused her) and admonished her, and exhorted her, and informed her that the torment of this world is less painful than the torment of the Hereafter. She said: No, by Him Who sent thee with Truth, he is a liar. (it was) the man who started the swearing of oath and he swore in the name of Allah four times that he was among the truthful. and at the fifth turn he said: Let there be curse of Allah upon him if he were among the liars. Then the woman was called and she swore four times in the name of Allah that he (her husband) was among the liars, and at the fifth time (she said): Let there be curse upon her if he were among the truthful. He (the Holy Prophet) then effected separation between the two.
Sahih Muslim Book 19, Hadith 4