The quote suggests that physical attractiveness can have a powerful influence on a person's perception, often leading them to overlook deeper qualities or flaws. The comparison to a poker indicates that the allure of beauty can quickly penetrate one's judgment, making it difficult to see beyond the surface. This highlights the impact of superficial traits on attraction and relationships.
In the context of Francine Rivers' "A Voice in the Wind," this idea can reflect the characters' struggles with valuing inner virtues over physical appearances. The story explores themes of faith, love, and the conflict between external beauty and internal worth, encouraging readers to consider what truly holds significance in their own lives.