Basil's journey highlights the contrast between his nostalgic memories and the present-day reality, evoking a sense of change and loss. The story emphasizes that time does not stand still, and change is an inherent aspect of life. As Basil contemplates the changes in his surroundings, he recognizes that embracing the past while acknowledging the progression of time is crucial.
Additionally, the theme of finding oneself and seeking fulfillment is interwoven with the theme of change. Basil's experiences illustrate that finding one's purpose requires adapting to new circumstances and accepting that things may not always remain as they were.