Sahih Bukhari 2133

Narrated Az-Zuhri from Malik bin Aus: that the latter said, Who has change? Talha said, I (will have change) when our storekeeper comes from the forest. Narrated `Umar bin Al-Khattab: Allah's Apostle said, The bartering of gold for silver..

Narrated Ibn `Abbas: The Prophet forbade the selling of foodstuff before receiving it. I consider that all types of sellings should be done similarly. ..

Narrated Ibn `Umar: The Prophet said, The buyer of foodstuff should not sell it before it has been measured for him. Isma`il narrated instead, He should not sell it before receiving it. ..

Narrated Ibn `Umar: I saw the people buy foodstuff randomly (i.e. blindly without measuring it) in the lifetime of Allah's Apostle and they were punished (by beating), if they tried to sell it before carrying it to their own houses. ..

Narrated Aisha: Rarely did the Prophet fail to visit Abu Bakr's house everyday, either in the morning or in the evening. When the permission for migration to Medina was granted, all of a sudden the Prophet came to us at noon and Abu Bakr was..

Narrated `Abdullah bin `Umar: Allah's Apostle said, Do not urge somebody to return what he has already bought (i.e. in optional sale) from another seller so as to sell him your own goods. ..