Final answer:
Lizbeth's realization in the passage symbolizes a transformative moment of self-discovery and a shift from darkness to light, as she recognizes her true worth and sheds her prior beliefs about her identity.
Step-by-step explanation:
The passage from the novel showcases Lizbeth's realization that she is not who she previously believed herself to be. This epiphany comes after a significant moment of dialogue and affirmation from a trusted figure, Jane Withersteen. The realization is deeply profound and emotional for Lizbeth, who undergoes an internal transformation marked by a shift from darkness to light, reflecting a newfound sense of self-worth and identity.
Lizbeth experiences a mental and spiritual uplift, which is so impactful that it visibly changes her demeanor from despair to dignified grace. Through the expressive description, we understand that this revelation has shifted her entire perception of herself and her place in the world, leading to a spiritual awakening and the shedding of her prior beliefs about her own base nature.