Mostly these purposes are to show the thoughts and emotions that Chris was going through and what made him want to disappear into the wilderness- one of the many reasons was to escape civilizations and find himself. Other purpose of the epigraphs was to connect the chapters by providing bits and pieces from other authors' novels, especially some of Chris's favorite ones like Henry David Thoreau and Jack London. One of the many examples of these types of epigraphs is, "Rather than love, than money, than fame, give me truth. I sat at a table where were rich food and wine in abundance, an obsequious attendance, but sincerity and truth were not; and I went away hungry from the inhospitable board. The hospitality was as cold as the ices. Thoreau" (Krakauer 117). This epigraph connects to how Chris felt about living a lie his whole life because of his family's untold divorce situation. Thus, the epigraphs served many purposes.
In conclusion, the epigraphs that Jon Krakauer provides in the beginning of each chapter in Into the Wild are a very essential part of the book. Each of them has a special connection to Chris and his epic journey. The epigraphs also has variety of effects on both the chapters and its readers. All of them served a purpose and provided a strong spiritual message which caught one's attention in the beginning of each