https://masjidfurqan.co.uk/2018/06/01/muhammad-ibn-al-hasan-rahimahullaah-why-did-he-remind-the-people-about-a-book-on-business-transactions-when-they-asked-him-to-author-a-book-on-zuhud-a-short-faaidah-by-shaikh-uthaymeen-rahima/