"We are all just canvases for our scars" conveys the idea that our experiences, both good and bad, shape who we are. The metaphor suggests that like a canvas, our lives are marked by struggles and pain, which ultimately contribute to our identity. Each scar represents a lesson learned or a moment that has impacted us deeply, signifying resilience and growth.

In Jodi Picoult's "A Spark of Light," this theme underscores the complexity of human emotions and relationships. The characters bear their own scars, reflecting the experiences that mold their personalities and decisions. The narrative exemplifies how these scars tell a story of survival, vulnerability, and the interconnectedness of human experiences, ultimately inviting readers to embrace their own imperfections and histories.