In Chapter 16, Poem 13 of Attar's Mokhtar Nameh, the poet emphasizes the necessity of embracing spiritual hardship and abandoning worldly pleasure on the mystic path. The poem asserts that the 'impure ego' must be actively disciplined. Furthermore, it highlights the importance of continuous, unyielding effort in the spiritual quest, urging the seeker to pursue the ultimate truth as much as necessary without withholding their expression or pursuit.