In Chapter 15, Poem 15 of Attar's Mokhtar Nameh, the poet reflects on the ceaseless suffering of the heart, illustrated by the visceral imagery of blood strained through the eyes. The poem emphasizes the futility and endlessness of worldly passions. These passions only increase over time and can never be fully traversed or satisfied, highlighting the mystical realization that one cannot find true peace in the material world.