Lord Is It Mine by Supertramp is a poignant and introspective song that delves into the themes of self-doubt, searching for inner peace, and the desire for spiritual guidance. The song's protagonist reflects on their personal struggles and yearning for clarity in their life. Key moments in the song include heartfelt lyrics about feeling lost and a deep longing for reassurance from a higher power. The song resonates with anyone who has ever felt uncertain and sought comfort in their faith or spirituality.