Witness, for example, this rhetorical craft in Parker's opinion:
 

On [the defendant's son's] return from a foreign country, he fell sick among strangers, and the plaintiff acted the part of the good Samaritan, giving him shelter and comfort until he died. The defendant, his father, on being informed of this event, influenced by a transient feeling of gratitude, promises in writing to pay the plaintiff for the expenses he had incurred. But he has determined to break this promise, and is willing to have his case appear on record as a strong example of particular injustice sometimes necessarily resulting from the operation of general rules.
Id.