The quote reflects on the inevitability of choices and their consequences in life. It suggests that every moment is a decision point, leading to a predetermined path that one cannot easily alter. The speaker feels a lack of agency, indicating that their destiny has been shaped by earlier choices, emphasizing that the direction of one's life is often apparent from the start.
This perspective challenges the notion of control over one's fate, suggesting that the course of life is often fixed and preordained. The assertion that no line can be erased underlines the permanence of our decisions and the idea that change is rare and difficult, leading to a somber realization about the confines of human agency within the grand scheme of existence.