In Haruki Murakami's novel "Hear the Wind Sing," the idea that unexpressed thoughts and feelings are negligible is reflected in the quote, "Whatever can't be expressed might as well not exist." This suggests that communication and expression are vital for existence and understanding. The inability to articulate experiences diminishes their significance, implying that shared experiences are the foundation of our reality.

The quote invites readers to contemplate the importance of expressing emotions and thoughts. When we keep important aspects of our lives hidden or unvoiced, they lose their impact and relevance, much like they never mattered at all. This theme resonates throughout the novel, emphasizing the necessity of connection and the role of language in shaping our identity and experiences.