41.590 http://www.mohammeds-koran.com/texts/hadith/bukhari/41/41.590 http://www.mohammeds-koran.com/@@site-logo/Jihad_Sword_White_Background.png 41.590 Narrated Ibn 'Umar: A man came to the Prophet and said, "I am often betrayed in bargaining." The Prophet advised him, "When you buy something, say (to the seller), 'No deception." The man used to say so afterwards.