In Farid al-Din Attar's Mosibat Nameh, the allegory of the lover standing at the door of the beloved, paralyzed by the dilemma of how to identify himself ('I' versus 'You'), illustrates the core Sufi concept of selflessness (bi-khwishi or fana). The lover realizes that asserting 'I' (ego) prevents union, while claiming 'You' without true internal transformation is insincere. Attar uses this conflict to show that true spiritual love requires transcending the duality of subject and object, leading to the complete dissolution of the self-centered ego before entering the presence of the Divine Beloved.