Shaayar Jeem Jazil seems to muse and anguish about the duality between his mind and body, seeing himself as the mind and the self, distinct from the body which is a decaying, temporary vessel that confines his vibrant, enduring essence. 

In the first line, "let me not be buried within my own body," the poet sees himself as separate from his physical form, which he views as destined to perish. The metaphor of burial conveys a sense of suffocation, as though his true self is trapped by the limitations of the flesh.

In the second line, "free me from the crumbling house of existence," the body is likened to a deteriorating structure, emphasizing its inevitable decline and its death, dragging him with it.  

The shaayar's mind, "brimming with energy, knowledge, creativity, and hope," stands in stark contrast to this mortality. It is portrayed as long-lasting, perhaps even eternal, transcending the transient nature of the body. His plea for freedom is not merely physical but a yearning for his mind’s boundless potential to escape the decay of his physical form.

Ultimately, the couplet reflects the shaayar's belief in the enduring vitality of the mind, which aspires to outlast the frailty of the body. This tension between the mortal and the eternal evokes a universal human longing to transcend physical limitations and embrace the timeless legacy of thought and creativity.