The purpose of this article is to state that the jailors of that tune shouldn’t jail debtors, and one rhetoric strategy used is metaphor. Many examples of this are shown in lines 47-51; “...the corrosion of resentment, the heaviness of sorrow, the corruption of confined air, the want of exercise, and the sometimes of food…”. This is an extended example in which Johnson daisy-chains a large string of comparisons through the passage in order to highlight the insufferable conditions.
Another example of rhetoric strategy