Teachings and moral advices make up a category that is not confined to a special time, a certain place or a particular religion. They have been expressed in various ways. At different times and in different religions, The present work is an attempt to study some parts of pursišnīhā, one of the important scripts of Middle Persian languages (Pahlavi) to identify the important moral points contained in the book. Most of the writings remained from Middle Persian, specially Andarznāmēh, religious encyclopedia, philosophyical and rhetorical texts, and religious and legal rules, emphasize the value of moral behavior. They advise man to seek goodness, to be generous and to abandon sins, all of which have been reiterated in all religions and in all eras of history.