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He also wrote the famous "Qanun as-Suwa"r (Canons of Painting) between 1576 and 1602, a treatise on painting techniques in Persian verse. He reportedly "painted thousands of marvellous portraits". His writings are one of the major sources on the history of Persian miniature painting because it details style and instruction for making art. His Persian writing style was inspired by classic Persian artists, including Khaqani, Ẓahīr, Kamal od-Din Esmail, and Saadi Shirazi. He used classical style, and critiqued contemporary styles. Unique to this time, historians point out that he avoided politics by abstaining from using religious denominations to refer to different techniques in his art.