In the excerpt from “The Great Influenza”

In the excerpt from “The Great Influenza”, John M. Barry discusses the 1918 flu epidemic and how it correlates with scientists and their research. He expresses the different types of attributes that are essential in being a successful scientific investigator. John M. Barry utilizes the rhetorical strategies figurative language, antithesis, and anaphora to characterize the nature of scientific research.
In the first paragraph, Barry begins by distinguishing the difference between certainty and uncertainty. He states “Certainty creates strength. Certainty gives one something upon which to lean. Uncertainty creates weakness. Uncertainty makes one tentative if not fearful, and tentative steps, even when in the right direction, may not overcome significant obstacles.” The effect of the repetition of the words certainty and uncertainty
To conclude, Barry uses different rhetorical strategies to depict scientists and their nature of research