In "The Valley of Amazement," Amy Tan explores the profound impact of hardships on individuals, suggesting that difficulties and challenges can shape a person's character over time. The narrative illustrates how even the most virtuous individuals may become hardened by their experiences, facing adversity that tests their morals and resilience. Tan's characters often reflect the struggle between maintaining their innate goodness and succumbing to the influences of their harsh realities.

This theme resonates with the quote "Hardships can harden even the best person," emphasizing that experiences of suffering and struggle can lead to transformation. The characters' journeys highlight the tension between vulnerability and strength, showcasing the complexities of human nature. Ultimately, Tan's work reveals how resilience is developed through hardship, while also hinting at the potential loss of innocence that can accompany such trials.