How does Franz describe his experience of the lesson when he finally pays attention?

When Franz finally pays attention during the lesson, he describes the experience as enlightening and profound, awakening a sense of wonder about the French language he had previously overlooked. He becomes acutely aware of the beauty of the words and the intricacies of grammar, feeling a deep connection to the lessons he is learning. This moment of clarity transforms his perception of education, making him appreciate the knowledge imparted by M. Hamel and the cultural richness embedded in their language. Franz’s newfound attentiveness highlights the urgency and significance of the lesson, turning his regret into a desire to grasp every detail before it slips away forever.