The quote reveals a profound existential theme, suggesting that there exists a deep, unsettling silence at the core of unspeakable experiences. This silence represents the weight of trauma, secrets, and the inability to express the inexpressible. By acknowledging this frightful muteness, the speaker recognizes their entry into a world laden with unspoken truths, highlighting the isolation and struggle associated with facing immense pain.

In "The Invention of Wings" by Sue Monk Kidd, this concept resonates with the characters' journeys as they confront and grapple with their own haunting realities. It underscores the significance of voice and the challenges of articulating deep-seated emotions and traumas. The exploration of this silence can lead to an understanding of personal and collective histories, emphasizing the importance of breaking the silence to reclaim one's narrative and freedom.