Edgar Allan Poe's quote encapsulates the ephemeral nature of time and existence. Whether events unfold in the light of day or the darkness of night, they remain irrevocably past. This reflection prompts the reader to consider the inevitability of change and loss, suggesting that it holds little significance how swiftly or slowly time passes; what matters is that moments are fleeting.

The essence of the quote speaks to the indistinguishable loss over time, regardless of its context. Poe invites contemplation on the nature of reality—whether it is experienced as a vivid vision or remains unperceived, the essence of what was is still inevitably departed. This evokes a deeper understanding of the human experience, where every moment is precious yet transient.