In "Don Quixote," the protagonist experiences a moment of clarity upon reading an inscription on a parchment. He realizes that it pertains to the disenchantment of Dulcinea, a lady he deeply admires and longs to rescue. This revelation fills him with gratitude, as he sees this as a significant step towards his quest.

Don Quixote's journey is marked by his unwavering belief in chivalric ideals and the importance of love. The inscription serves as a catalyst for him, reinforcing his determination and hope in the face of challenges ahead. His heartfelt thankfulness to heaven highlights the spiritual aspect of his quest and the deep emotional ties he feels towards Dulcinea.