The quote reflects the complex themes of deceit and betrayal present in Herman Melville's "Moby-Dick." It suggests a playful yet serious acknowledgment of wrongdoing, highlighting the protagonist's moral conflicts and interactions with others. The phrase "I've diddled him" indicates an admission of trickery, pointing to deeper implications of trust and manipulation within relationships.

This statement embodies the larger narrative of "Moby-Dick," where characters grapple with their desires and ethical dilemmas. It emphasizes how personal actions can reverberate through the lives of others, mirroring the turbulent struggle between man and nature throughout the novel. Themes of revenge and obsession further underscore the impact of one's choices on the broader context of the story.