Malik related to me that he had heard that Abdullah ibn Masud
used to relate that the Messenger of Allah, may Allah bless him and
grant him peace, said, "When two parties dispute about a business
transaction, the seller's word is taken, or they make an agreement
among themselves.
Malik spoke about someone who sold goods to
a man, and said at the contracting of the sale, 'I will sell to you
provided I consult so-and-so. If he is satisfied, the sale is
permitted. If he dislikes it, there is no sale between us.' They made
the transaction on that basis. Then the buyer regretted before the
seller consulted the person.
Malik said, "That sale is
binding on them according to what they described. The buyer has no
right of withdrawal, and it is binding on him, if the person whom the
seller stipulated to him, permits it."
Malik said, "The way
of doing things among us about a man who buys goods from another and
they differ about the price, and the seller says, 'I sold them to you
for ten dinars,' and the buyer says, 'I bought them from you for five
dinars,' is that it is said to the seller, 'If you like, give them to
the buyer for what he said. If you like, swear by Allah that you only
sold your goods for what you said.' If he swears it is said to the
buyer, 'Either you take the goods for what the seller said, or you
swear by Allah that you bought them only for what you said.' If he
swears, he is free to return the goods. That is when each of them
testifies against the other."
Muwatta Malik Book 31, Hadith 81
Messenger of Allah, verily ours is a tribe of Rabi'a and there stand between you and us the unbelievers of Mudar and we find no freedom to come to you except in the sacred month. Direct us to an act which we should ourselves perform and invite those who live beside us. Upon this the Prophet remarked: I command you to do four things and prohibit you against four acts. (The four deeds which you are commanded to do are): Faith in Allah, and then he explained it for them and said: Testifying the fact. that there is no god but Allah, that Muhammad is the messenger of Allah, performance of prayer, payment of Zakat, that you pay Khums (one-fifth) of the booty fallen to your lot, and I prohibit you to use round gourd, wine jars, wooden pots or skins for wine. Khalaf b. Hisham has made this addition in his narration: Testifying the fact that there is no god but Allah, and then he with his finger pointed out the oneness of the Lord.
Sahih Muslim Book 1, Hadith 23
`Abdullah the slave of Asma bint Abu Bakr, told me that he used to hear Asma', whenever she passed
by Al-Hajun, saying, "May Allah bless His Apostle Muhammad. Once we dismounted here with him,
and at that time we were traveling with light luggage; we had a few riding animals and a little food
ration. I, my sister, `Aisha, Az-Zubair and such and such persons performed `Umra, and when we had
passed our hands over the Ka`ba (i.e. performed Tawaf round the Ka`ba and between As-Safa and Al-
Marwa) we finished our lhram. Later on we assumed Ihram for Hajj the same evening."
Sahih al-Bukhari Book 26, Hadith 21