Hamlet's tone is one of anguish. He desires to commit suicide because he considers his daily routine to be "weary, stale, flat, and unprofitable." (I, ii, 133) He describes the process graphically, stating that his "sullied flesh would melt, / Thaw, and resolve itself into dew." (I, ii, 129-30) He uses such terms as 'sullied' to describe himself and his life; he finds himself scarred and stained by his mother's decision to wed his uncle.
In his soliloquy, Hamlet makes use of comparisons to illustrate his feelings towards his uncle. In the first comparison, Hamlet compares the state of Denmark to a weeded garden. Hamlet believes that the garden is "unweeded [...] /[and that] things rank and gross in nature/Possess it merely." (I, ii, 135-37) The weeds represent the evil in Denmark and the garden itself represents Denmark's current state. Hamlet believes that Claudius is the evil that is spreading through Denmark and this comparison demonstrates why Hamlet is so upset with his mother's decision to marry Claudius; not to mention the fact that Claudius and Gertrude's relationship is incestuous.
Another comparison is that between Hamlet's father and Claudius. Hamlet believes that his father was very righteous and compares him the God of sun, Hyperion. Meanwhile, in Hamlet's eyes, Claudius is corrupt which explains why he compares him to a satyr.
The last comparison is that between his mother being Niobe (Niobe is green mythology, was so grief stricken she could not cease crying and was transformed into