when a chapter is revealed enjoining believe in god and strive for the cause of god along with his messenger the wealthy among them ask you to exempt them saying let us stay with those who are to stay behind.
وإذا أنزلت سورة أن آمنوا بالله وجاهدوا مع رسوله استأذنك أولو الطول منهم وقالوا ذرنا نكن مع القاعدين