Final answer:
Timmy feels guilty about committing the sin of theft, experiencing a moral struggle with his conscience.
Step-by-step explanation:
In the story, Timmy experiences intense feelings of guilt, believing he has committed the sin of theft. He reflects on the act of taking money, considering the moral implications and consequence of returning it. His conscience plagues him, casting a shadow over his thoughts and leading him to ruminate on the nature of sin and purity. The excerpts suggest that characters in the narratives grapple with their perceived transgressions, recognizing that their actions may not align with moral and spiritual expectations.