Sahih Bukhari 2239

Narrated Ibn `Abbas: The Prophet came to Medina and the people used to pay in advance the price of dates to be delivered within two or three years. He said (to them), Whoever pays in advance the price of a thing to be delivered later should pay..

Narrated Ibn `Abbas: The Prophet came (to Medina) and he told the people (regarding the payment of money in advance that they should pay it) for a known specified measure and a known specified weight and a known specified period. ..

Narrated Shu`ba: Muhammad or `Abdullah bin Abu Al-Mujalid said, Abdullah bin Shaddad and Abu Burda differed regarding As-Salam, so they sent me to Ibn Abi `Aufa and I asked him about it. He replied, 'In the lifetime of Allah's Apostle, Abu Bakr..

Narrated Shu`ba: Muhammad or `Abdullah bin Abu Al-Mujalid said, Abdullah bin Shaddad and Abu Burda differed regarding As-Salam, so they sent me to Ibn Abi `Aufa and I asked him about it. He replied, 'In the lifetime of Allah's Apostle, Abu Bakr..

Narrated Muhammad bin Al-Mujalid: `Abdullah bin Shaddad and Abu Burda sent me to `Abdullah bin Abi `Aufa and told me to ask `Abdullah whether the people in the lifetime of the Prophet used to pay in advance for wheat (to be delivered later)...

Narrated Muhammad bin Al-Mujalid: `Abdullah bin Shaddad and Abu Burda sent me to `Abdullah bin Abi `Aufa and told me to ask `Abdullah whether the people in the lifetime of the Prophet used to pay in advance for wheat (to be delivered later)...