text:  Sometimes in the middle of a lively conversation he would suddenly stop droop his head and his bright eyes would be dimmed with a filling of tears; heavy sighs would seem to rend his breast; he would start up his eyes sparkling with fury; he would grasp his dagger with a bitter smile and then as if vanquished by an invisible hand he would fall into a deep reverie from whence not even the caresses of his adored Seltanetta could recall him