J.R. Miller addresses the various forms of untruthfulness, emphasizing that lies can be conveyed through tone, emphasis, and even statistics. He categorizes lies into three types: white lies, black lies, and statistics, asserting that the intention behind the words is what constitutes a lie. Exaggeration is highlighted as a common form of lying, where individuals embellish the truth, often driven by self-conceit. Miller illustrates this with the example of a young man whose self-importance distorts his perception of reality, leading him to misrepresent conversations and events. Ultimately, he suggests that such exaggeration can lead to a disconnect from the truth, as self-conceit clouds judgment.