Literature is a mirror, which reflects all intellectual, cultural, religious, political and social aspects of human life. Poets and literati, regarding their tendencies, interests and capabilities, have been able not only to reflect these aspects in their speech, but also to put a light on the way of salvation of their society, through being influenced by intellectuality and wisdom of nobles of intellectual, political and social history of human society. Sa’adi shirazi is one of them. Enjoying the speech of Au b.Abi Taleb, he has used literature to enlighten the common sense. This article compares “Justice bab (chapter)” of Sa’adi’s Boostan and Au b. Abi Taleb’s letter to Malek Ashtar.
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