The Saffarids gave great care to the Persian culture. Under their rule, the eastern Islamic world witnessed the emergence of prominent Persian poets such as Fayrouz Mashriqi, Abu Salik al-Jirjani, and Muhammad bin Wasif al-Sistani, who was a court poet.
In the later 9th century, the Saffarids gave impetus to a renaissance of New Persian literature and culture. Following Ya'qub's conquest of Herat, some poets chose to celebrate his victory in Arabic, whereupon Ya'qub requested his secretary, Muhammad bin Wasif al-Sistani, to compose those verses in Persian.
From silver mines in the Panjshir Valley, the Saffarids were able to mint silver coins.
Read more about this topic: Saffarid Dynasty