For 10 points, name this opera which includes an aria by the Duke about how women are fickle,Â "La donna Ã¨ mobile".
In one aria in this work, one character says, "I can defy Argo's hundred eyes if I fancy a beautiful girl." Later, that character cries that "She has been taken away from me!", and that "I can almost see her tears flow down her brow". Besides "Parmi veder la lagrime" and "Questa o quella", the title character wonders of his plan, "Will it come to ill?  ► Ah, no, that's madness" after saying that "We are equally skilled! I with my tongue, he with the dagger" in "Pari siamo!" In another aria in this work, one character says that "He is always miserable who trusts in her", and that "she changes the tone of her voice and her thoughts". That aria compares a certain group of people to "a feather in the wind". For 10 points, name this opera which includes an aria by the Duke about how women are fickle,Â "La donna Ã¨ mobile". 
In one aria in this work, one character says, "I can defy Argo's hundred eyes if I fancy a beautiful girl."
Rigoletto