‘Arnr bin Shuaib said: “My father told me, narrating from his father, from his father (and he mentioned ‘Abdullah bin ‘Amr) that he said: ‘The Messenger of Allah صلی اللہ علیہ وآلہ وسلم said: “it is not permissible to lend on the condition of a sale, or to stipulate two conditions in one transaction, or to make a profit on that which you do not possess.” (Sahih)