Nasireddin Tusi is a sage of high rank in all branches of wisdom. The fame of this grandiose person and scientist, who has left an indelible trace in the science, has given a huge impetus to the future development of the world science, has spread all over the world.For justice’s sake it should be noted that if world fame was brought to him by such work on mathematics and astronomy as Zij Ilkhani and foundation of the Maragha Observatory, the work Akhlagi-Nasiri made him famous all over the world. The issues touched upon in it regarding the social order, economy, politics, morals, philosophy and upbringing give a special importance to the work. This explains its successful use for over seven hundred years as a moral textbook in schools in the Middle and Near East. According to scholars, there is no second original work like the Ahlaghi-Nasiri written in the last 700 years.Figuratively speaking, Ahlaghi-Nasiri was the summation of all previously prevailing moral-philosophical and pedagogical ideas in the Near and Middle East.