In Barbara Kingsolver's "The Poisonwood Bible," the quote highlights the relative nature of truth and morality. It suggests that what one believes to be absolutely correct may not hold the same validity in a different context or culture. This reflects the complexity of human experience and the importance of understanding diverse perspectives.

The idea encourages readers to embrace humility and open-mindedness, acknowledging that their views are shaped by their specific environments. It serves as a reminder to question one's assumptions and to appreciate the rich tapestry of beliefs that exist in the world.