Volume 3, Book 34, Number 364:
Narrated ‘Aisha:
Allah’s Apostle came to me and I told him about the slave-girl (Buraira) Allah’s Apostle said, “Buy
and manumit her, for the Wala is for the one who manumits.” In the evening the Prophet got up and
glorified Allah as He deserved and then said, “Why do some people impose conditions which are not
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SAHIH BUKHARI VOLUME 3 > BOOK 34: SALES AND TRADE
present in Allah’s Book (Laws)? Whoever imposes such a condition as is not in Allah’s Laws, then that
condition is invalid even if he imposes one hundred conditions, for Allah’s conditions are more bind –
ing and reliable.”