How does Cyrano compare De Guiche to Don Quixote?

In "Cyrano de Bergerac," Cyrano compares De Guiche to Don Quixote to highlight his misguided ambitions and romantic ideals. While Don Quixote is a noble but delusional knight who pursues chivalric adventures, De Guiche, though powerful and influential, is portrayed as self-serving and lacking true nobility. This comparison underscores the difference between genuine heroism and the superficial pursuit of glory, illustrating Cyrano's disdain for De Guiche's character and motives. Ultimately, it emphasizes Cyrano's own values of honor and integrity in contrast to De Guiche's ambition.