The first excerpt refers to the revenge theme. The second excerpt has isolation as its theme. The third excerpt has dangerous knowledge as a theme and the fourth excerpt has a deceptive appearance as a theme. (See attached figure.)

<h3>What are the themes?</h3>

They are messages.
They are teachings.

The theme is a lesson presented subjunctively in the text to convey a message to the reader. This message has a strong meaning and represents a sensitive and educating point of the text, which is shown in an impactful way.

The books usually have more than one theme, as is the case of Frankenstein which has themes such as revenge, isolation, danger, and deceptive appearance.

You did not show the excerpts that your question refers to, but it is possible to find a question similar to yours where these excerpts are presented.

You can see the complete question in the attached image.

Learn more about themes:

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