The story ‘The Mark on the Wall’ decidedly revolves around the mark present on the wall from across the author. Instead of going for the obvious action of getting up from her chair and inspecting the mark, she decidedly delves into several mental processes in order to solve the mystery behind it. Through this process, she reflects upon more philosophical issues. She travels to the past and the future fleeting between thoughts, reflecting upon philosophies and at the same time trying to solve the mystery behind the mark. It is revealed at the end that the mark was made by something as simple as a snail. However, she fails to see the obvious and having a perspective mind, reflected upon a lot of philosophical issues through the entire process.