In Shakespeare's sonnet 29, the three quatrain form emphasizes different aspects of the speaker's emotional state and perception of himself.
In the first quatrain, the speaker expresses feelings of sadness and despair. He believes that he is "outcast" and "unregarded," feeling forgotten and alone. This emphasizes the speaker's sense of isolation and his yearning for acceptance and recognition.
In the second quatrain, the tone shifts as the speaker starts to compare himself to others who are more fortunate. He sees others who are "rich in hope" and "with friends possessed," which intensifies his feelings of envy and inadequacy. The second quatrain emphasizes the speaker's longing for the qualities and experiences that others possess.
The third quatrain introduces a change in the speaker's perspective. He contemplates his own internal thoughts and begins to find solace within himself. The speaker realizes that his thoughts of a loved one can bring him joy and elevate his spirits, despite his external circumstances. This shift in perspective highlights the speaker's ability to find strength and happiness within his own mind.
Overall, the three quatrain form in sonnet 29 emphasizes the speaker's journey from despair to self-acceptance. It explores themes of isolation, envy, and the power of one's own thoughts to bring solace.
Your welcome :)