Attar's influence on Persian literature cannot be overstated. Jalal al-Din Rumi famously stated: "Attar has roamed through the seven cities of love while we have barely turned down the first street."
– Attar did write a poem often called Asrār-Nāma (Persian: اسرارنامه), sometimes translated as The Book of Secrets or The Book of Mysteries . It is a didactic Sufi poem of about 3,300 couplets, addressing spiritual stations and inner truths. This is likely what you’re referring to. English translations exist in print (e.g., by Paul Losensky or others), but due to copyright, a free PDF is not legally available online. You may find excerpts or older, public-domain translations (from the 19th–early 20th century) through academic repositories like Archive.org. book of secrets attar of nishapur pdf
While more famously detailed in The Conference of the Birds , the concept of the "Seven Valleys" (Quest, Love, Understanding, Independence, Unity, Astonishment, and Deprivation) is also present here as the stages of spiritual ascent. Accessing the Text Attar's influence on Persian literature cannot be overstated
Unlike the allegorical journey of The Conference of the Birds , The Book of Secrets is a profound exploration of (the Oneness of God) and the inner stations of the soul. The poem is structured around 22 articles, each unveiling a different "secret" about existence, the ego ( nafs ), and the annihilation of the self ( fana ) in the divine presence. This is likely what you’re referring to