Known as “Fi’s-Sulúk I” (On the Virtuous Journey I), this very early work was written before the declaration of the Báb and even before the death of Siyyid Kázim. A short text, it was most likely written for Mullá Hasan and is mentioned in the Kitábu’l-Fihrist. In the text the Báb refers to a work by Siyyid Kázim with a similar title. Unlike Siyyid Kázim’s work, the Báb’s focuses on the inner and mystical meanings of religious law, turning ritual action into a spiritual journey. The mediating category is love for the four layers of the divine covenant in the Islamic Dispensation. (Nader Saiedi, ‘Gate of the Heart – Understanding the Writings of the Báb’)