That letter included the assurance: “If you carefully keep yourselves from these things, you will prosper. ” In what way?
(‏ اعما ۱۵ :‏ ۲۸ ،‏ ۲۹‏ ،‏ د ج‏ )‏ رعایت این اصول الٰهی از چه جهت ما را موفق می‌سازد و به ما فایده می‌رساند ؟‏