The protagonist experiences a profound shift after hearing the elusive sound of one hand clapping. This moment transforms his perception, filling him with a sense of holy oneness and eternal bliss that leaves a lasting impression on his mind. He describes it as a wondrous no-sound that resonates within him, forever altering his reality.
His revelation suggests that something extraordinary is happening within his brain, hinting at both a spiritual awakening and a disconnection from normalcy. This change compels him to continuously seek and reflect on the sound that has profoundly impacted him.