Common didactic philosophical contents in Saadi and Rudaki's poems

Systematic study about poetic characteristics of writer and poet and artist is an accurate and scientific method that leads us to their world. Rudaki is father of ancient Persian poem and the greatest poet of the Samanid. Despite his numerous poems، we received less than a thousand couplets، but the rest of the lyrics show his poem is a treasure of ideas، thoughts، advice and wisdom. Sheikh Ajal (Afsahol Motakallemin) Saadi Shirazi ornaments his speeches to philosophical contents artistically. The authors of this article have investigated common philosophical thoughts of these two great poet briefly، such as instability of world، seizing the present moment، inevitability of death، punishment of acts…Therefore، main subject of this essay is about common philosophical contents in Saadi and Rudaki''s poems that despite of these considerable contents have been newglected.