The quote emphasizes the enduring nature of human DNA compared to physical artifacts from the past. Unlike ancient relics that deteriorate over time, our genetic makeup preserves a direct connection to our ancestors, remaining intact through the ages. This suggests a continuity of life and history that transcends the normal decay of material objects.

Furthermore, the metaphor of DNA as a traveler reflects the idea that our heritage and identity are deeply rooted in ancient lineages. It highlights the belief that the essence of our ancestors lives on within us, shaping who we are today. This perspective offers a profound appreciation for our biological history and the stories that define our existence.