Narrated Abu Huraira: Allah's Apostle said, "A buyer should not urge a seller to restore a purchase so as to buy it himself, and do not practice Najsh; and a town dweller should not sell goods of a desert dweller."
Hadith ReferenceSahih Bukhari / The Book of Sales (Bargains) / Hadith: 2160
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة