Selecting a brief of rich and valuable treasure of written Persian literary works that could indicate, even a little, the genius, initiative, art, talent, enthusiasm and brilliant thoughts of Persian men of letters at the time of intellectual influence of Persian literature, is not an easy task, because all remained literary works of devoted people to this language that have been saved from the danger of destruction, are such a world of wonder and grace. All of these are so interesting and worthy that promenading in a hint of the collection will not free the enthused ones from observing other parts of it. By the middle of 6 century, that Dari became national language of Iranian nation, Persian poets had created tens of poetical works and made the power of Persian language, in reflection of materialistic as well as moral needs of Persian speaking people, eternal. Gradually, this language went beyond Iran’s borders and was officially recognized as second language of the world of Islam.