41.597 http://www.mohammeds-koran.com/texts/hadith/bukhari/41/41.597 http://www.mohammeds-koran.com/@@site-logo/Jihad_Sword_White_Background.png 41.597 Narrated Ibn 'Umar: A man was often cheated in buying. The Prophet said to him, "When you buy something, say (to the seller), No cheating." The man used to say so thenceforward .