What citation in the book and WHY, would describe the theme importance of memories and the past?

“Out here the stars were perforations revealing the bleached skeleton of the universe through a collection of tiny holes. And surrounded by these silent trees, beside a calming fire, I watched the bones dance.”

(Chapter 1, Page 9)

We were great fighters—warriors, we called ourselves and each other—and we knew these lands, so we kicked a lot of ass.’”

(Chapter 3, Page 23)