Answer: The above quote of Chesterton is an example of a(n)<u> paradox
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Explanation:
A paradox is a self-contradictory statement. Although it might give valid reasons for a particular claim, it eventually leads to a logically unacceptable conclusion. The conclusion seems absurd, but expresses a possible truth. In this example, the same men who write about success are those that are not successful even in writing books.
An allegory is a literary device in which a broader message is given either in prose or verse.
A parable is a story which teaches us a moral/spiritual lesson (for instance, a story by Jesus from the Gospels)
A metaphor is a reference to one thing by mentioning another.
