26 44491 Sunan an-Nasa'i 44 4475 The Book of Financial Transactions - كتاب البيوع "20387 20208 11183 18" "أخبرنا علي بن حجر، عن إسماعيل، عن عبد الله بن دينار، عن ابن عمر، قال قال رسول الله صلى الله عليه وسلم "" كل بيعين لا بيع بينهما حتى يتفرقا إلا بيع الخيار "" ." " It was narrated from Ismail from 'Abdullah bin Dinar from Ibn 'Umar who said: ""The Messenger of Allah said: 'When two people meet to engage in trade the transaction between them is not binding until they separate unless they have chosen to conclude the transaction. '"""