The quote reflects the process of transforming confusion into clarity through language. The character's journey illustrates how he takes a chaotic experience and systematically translates it into words, finding comfort in the familiarity of language. This act of verbalization serves as a coping mechanism, allowing him to navigate his thoughts and emotions more effectively.
Moreover, the imagery of creating a "pillow of old words" suggests a reliance on established language and ideas to provide solace. In a world filled with disturbance, the character finds refuge in the wisdom and structure of language, reinforcing how words can serve as both a shield and a source of understanding in life's complexities.