 Among other philosophers of this period not necessarily affiliated with the School of Shirāz, but interested in Sufism, are Naṣīr al-Dīn Ṭūsī (1201–1274) who wrote a work on Sufi ethics entitled Description of Nobles (Awṣāf al-ashrāf), as well as Afd’al al-Dīn Kāshānī (d. 1213), a Sufi poet and philosopher. The latter was a strict Aristotelian who wrote extensive commentary on logic and other aspects of Aristotelian thought. While the majority of his fifty-two works are philosophical in nature, Kāshānī sees the task of philosophy to be the facilitation of “following the path of God,” as the title of one of his works suggests. His commentary on Ibn ‘Arabī, his references to other gnostics and Sufis, and his mystical poetry, have identified him more as a Sufi than a rationalistic philosopher. Writing quatrains in the style of Omar Khayyam (1048–1131), it is in his poetry that Sufism is most apparent. In a quatrain he says,