Why Is Hamlet's Last Soliloquy

Bidden by the ghost of his father to ‘revenge his foul and most unnatural murder’ (1.5.31), Hamlet swears to avenge his father’s killing. He then fails to fulfill this promise for the majority of the play, even when the guilt of his uncle is undisputable. Yet, adhering to his father’s instructions is not so simple for Hamlet, who is confronted with an assortment of troubles and is in emotional distress. While he considers it is his filial duty to kill Claudius, he realizes that this act conflicts with his ethics. Hamlet expresses his inner struggle in his famous soliloquy: whether it is "nobler in the mind to suffer / or to take arms,” to be passive or to defend himself against the "sea of troubles" in which Hamlet finds himself (3.1.65-67). Although Hamlet believes it is his obligation to avenge his father’s death and protect the kingdom from a corrupt ruler, he delays action because he is an inherently moral individual who is fearful of death and opposed to using murder to avenge another murder.
While he is still grief-stricken from his father’s sudden demise, his mother marries his uncle, Claudius, within a month, who in turn robs Hamlet of the throne. Additionally, he discovers from the ghost of his father that his uncle is responsible for his father’s death. Consequently, there is a reasonable chance that Claudius will soon attempt to murder Hamlet, as he is the proper heir (Javed). Faced with an imminent threat to his life and honoring a promise to his deceased father, Hamlet must promptly kill Claudius, but he is not sure if it is the most ethically correct course of