Persian literature
Poetry

So strong is the Persian inclination to versifying everyday expressions that one can encounter poetry in almost every classical work, whether from Persian literature, science, or metaphysics. In short, the ability to write in verse form was a pre-requisite for any scholar. For example, almost half of Avicenna 's medical writings are in verse.

Works of the early era of Persian poetry are characterized by strong court patronage, an extravagance of panegyrics, and what is known as سبک فاخر "exalted in style". The tradition of royal patronage began perhaps under the Sassanid era and carried over through the Abbasid and Samanid courts into every major Iranian dynasty. The Qasida was perhaps the most famous form of panegyric used, though quatrains such as those in Omar Khayyam 's Ruba'iyyat are also widely popular.

Khorasani style, whose followers mostly were associated with Greater Khorasan, is characterized by its supercilious diction, dignified tone, and relatively literate language. The chief representatives of this lyricism are Asjadi, Farrukhi Sistani, Unsuri, and Manuchehri. Panegyric masters such as Rudaki were known for their love of nature, their verses abounding with evocative descriptions.

Through these courts and system of patronage emerged the epic style of poetry, with Ferdowsi 's Shahnama at the apex. By glorifying the Iranian historical past in heroic and elevated verses, he and other notables such as Daqiqi and Asadi Tusi presented the " Ajam " with a source of pride and inspiration that has helped preserve a sense of identity for the Iranian people over the ages. Ferdowsi set a model to be followed by a host of other poets later on.

The 13th century marks the ascendancy of lyric poetry with the consequent development of the ghazal into a major verse form, as well as the rise of mystical and Sufi poetry. This style is often called Araqi (Iraqi) style (Araq-e-Ajam) and is known by its emotional lyric qualities, rich meters, and the relative simplicity of its language. Emotional romantic poetry was not something new, however, as works such as Vis o Ramin by As'ad Gorgani, and Yusof o Zoleikha by Am'aq Bokharai exemplify. Poets such as Sana'i and Attar (who ostensibly inspired Rumi), Khaqani Shirvani, Anvari, and Nizami, were highly respected ghazal writers. However, the elite of this school are Rumi, Saadi, and Hafiz Shirazi.

Regarding the tradition of Persian love poetry during the Safavid era, Persian historian Ehsan Yarshater notes, "As a rule, the beloved is not a woman, but a young man. In the early centuries of Islam, the raids into Central Asia produced many young slaves. Slaves were also bought or received as gifts. They were made to serve as pages at court or in the households of the affluent, or as soldiers and bodyguards. Young men, slaves or not, also, served wine at banquets and receptions, and the more gifted among them could play music and maintain a cultivated conversation. It was love toward young pages, soldiers, or novices in trades and professions which was the subject of lyrical introductions to panegyrics from the beginning of Persian poetry, and of the ghazal. " During the same Safavid era, many subjects of the Iranian Safavids were patrons of Persian poetry, such as Teimuraz I of Kakheti.

In the didactic genre one can mention Sanai 's Hadiqat-ul-Haqiqah (Garden of Truth) as well as Nizami 's Makhzan-ul-Asrār (Treasury of Secrets). Some of Attar 's works also belong to this genre as do the major works of Rumi, although some tend to classify these in the lyrical type due to their mystical and emotional qualities. In addition, some tend to group Naser Khosrow 's works in this style as well; however true gems of this genre are two books by Saadi, a heavyweight of Persian literature, the Bustan and the Gulistan.

After the 15th century, the Indian style of Persian poetry (sometimes also called Isfahani or Safavi styles) took over. This style has its roots in the Timurid era and produced the likes of Amir Khosrow Dehlavi, and Bhai Nand Lal Goya.
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