The quote emphasizes the significance of the present moment, highlighting that the beauty of a sunset is fleeting and unique. It urges the reader to appreciate the immediate experience rather than getting lost in thoughts about the future, which is uncertain. This reflection on the sunset as a once-in-a-lifetime event invites individuals to be present and savor life's moments.

By focusing on the idea that "tomorrow does not exist," the quote encourages mindfulness and gratitude. It serves as a reminder that every experience is temporary and should be cherished, reinforcing the notion that beauty lies in the present. The passage from Shōgun by James Clavell powerfully captures the essence of living in the now.