Ignorance is like a delicate exotic fruit; touch it and the bloom is gone.
Simile
Her mother is perfectly unbearable. Never met such a Gorgon—I don’t really know what a Gorgon is like, but I am quite sure that Lady Bracknell is one.
Allusion
Ask Mr. Bunbury, from me, to be kind enough not to have a relapse on Saturday.
Hyperbole
On the contrary, Aunt Augusta, I’ve now realised for the first time in my life the vital Importance of Being Earnest.
Pun
They are approaching. That's very forward of them.
Pun
Maturity can always be depended on. Ripeness can be trusted. Young women are green. I spoke horticulturally.
Metaphor
Algernon, I think it is high time that Mr. Bunbury made up his mind whether he was going to live or die. This shilly-shallying with the question is absurd.
Hyperbole
It is rather Quixotic of you. But I think you should try.
Allusion
The only way to behave to a woman is to make love to her, if she is pretty, and to someone else, if she is plain.
Epigram
Horrid Political Economy! Horrid Geography! Horrid, horrid German!
Anaphora
If you don’t take care, your friend Bunbury will get you into a serious scrape some day.
Foreshadowing
Because you are like a pink rose, Cousin Cecily.
Simile
My dear fellow, the truth isn’t quite the sort of thing one tells to a nice, sweet, refined girl. What extraordinary ideas you have about the way to behave to a woman.
Irony
(A diary) is simply a very young girl's record of her own thoughts and impressions, and consequently meant for publication.
Paradox