In Poem 68 of Attar's Mokhtar Nameh, the poet asserts that the enlightened soul exists entirely within itself. The poem introduces a critical spiritual warning: harboring even a 'single atom' of the illusion of the 'other' (duality or anything apart from the Divine) in one's heart is immensely destructive. Attar compares this slight deviation to the seed of 'two thousand mountains of fire,' illustrating that any departure from absolute divine unity towards dualistic thinking leads to profound spiritual ruin.