Dickens uses repetition of 'sole' to emphasize Scrooge's loneliness and describes him as 'hard and sharp as flint,' suggesting a lack of warmth and empathy. However, the comparison to 'flint' also hints at a potential for warmth and change within him.

The simile 'solitary as an oyster' highlights Scrooge's tough exterior and self-imposed isolation but also suggests a hidden value, like a pearl, foreshadowing his positive transformation. Dickens also incorporates humor through Scrooge's witty remarks, such as the pun on 'grave' and 'gravy,' making him more engaging for the reader.

Scrooge's transformation begins when he revisits his past with the Ghost of Christmas Past. Witnessing his childhood self as a 'solitary child, neglected by his friends' elicits empathy from the reader and an emotional response from Scrooge, marking the start of his change and his realization that relationships are more valuable than money.

By the time the Ghost of Christmas Present appears, Scrooge is willing to learn, stating, 'To-night, if you have aught to teach me, let me profit by it.' His use of 'profit' indicates an ongoing transformation, not yet complete, but his genuine concern for Tiny Tim signifies a significant shift away from his earlier callous attitude towards the poor.

The climax occurs when Scrooge sees his own gravestone, leading him to make solemn vows to 'honour Christmas in my heart' and embrace the lessons of the Spirits. Dickens uses declarative sentences to emphasize the gravity and sincerity of Scrooge's commitment to change.

In the novella's final section, new similes like 'as light as a feather,' 'as happy as an angel,' and 'as merry as a school-boy' contrast sharply with his earlier descriptions. These similes signify his freedom from his past, his spiritual redemption, and the completion of his transformation, delivering the message that people can change and society benefits from mutual care.