"The poet's spoken discourse often depends on a mystique, on the spiritual freedom that finds itself enslaved on earth"

Salvatore Quasimodo's quote, "The poet's spoken discourse often depends on a mystique, on the spiritual freedom that discovers itself shackled in the world", touches on the profound and in some cases paradoxical nature of poetic expression. At its core, the declaration checks out the duality in between the ethereal and the earthly, a style typical in the world of poetry.

The expression "the poet's spoken discourse" refers to the spoken or expressive capability of poets-- their capability to articulate ideas, emotions, and insights through language. Quasimodo suggests that this discourse is enveloped in "mystique", a term that connotes secret and transcendence. The mystique acts as a bridge between the mundane and the esoteric, allowing poets to convey the ineffable or the sublime. Poetry frequently reaches beyond normal speech, attempting to record deeper facts and experiences that avert direct explanation.

However, while the poet's words might originate from a place of "spiritual freedom", they are, paradoxically, "enslaved on earth". This dichotomy shows the restraints poets face in articulating boundless spiritual or existential experiences within the restrictions of language and the human condition. While a poet's creativity can soar into worlds of limitless possibility, the actualization of these ideas through language and type stays connected to worldly imperfection and restrictions.

This enslavement can likewise represent the wider socio-political conditions that might hinder free expression. Quasimodo, who lived through turbulent durations in 20th-century Italy including World War II and its consequences, may be alluding to how poets frequently wrestle versus societal structures that stifle creativity and hinder the expression of truth through censorship or ideological control.

In essence, Quasimodo's quote probes the stress in between the transcendent pureness of poetic motivation and the inevitable compromises made when such motivation is encapsulated in human language and subjected to social forces. The poet's journey therefore lies in browsing this complex terrain, making every effort to maintain the stability of their spiritual insights while engaging with the concrete world.