Only Text Quote
Since the boundary of the world of poetry is fluid, the language in it is also fluid. Hence, the language that is outside of the poetry world, namely the language that is not the language of poetry, cannot go into the poetry world.
Since the boundary of the world of poetry is fluid, the language in it is also fluid. Hence, the language that is outside of the poetry world, namely the language that is not the language of poetry, cannot go into the poetry world.