Nonfiction Books

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April 10, 2026

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April 10, 2026

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"Not that inferences are not important -- we rely in everyday life and in science as much on inferences as on reports -- in some areas of thought, for example, geology, paleontology, and nuclear physics, reports are the foundations, but inferences (and inferences upon inferences) are the main body of the science. An inference [...] is a statement about the unknown made on the basis of the known. We may infer from the material and cut of a woman's clothes her wealth or social position; we may infer from the character of the ruins the origin of the fire that destroyed the building; we may infer from a man's calloused hands the nature of his occupation; we may infer from a senator's vote on an armaments bill his attitude toward Russia; we may infer from the structure of land the path of a prehistoric glacier; we may infer from a halo on an unexposed photographic plate that it has been in the vicinity of radioactive materials; we may infer from the sound of an engine the condition of its connecting rods. Inferences may be carelessly or carefully made. They may be made on the basis of a broad background of previous experience with the subject matter, or no experience at all. For example, the inferences a good mechanic can make about the internal condition of a motor by listening to it are often startlingly accurate, while the inferences made by an amateur (if he tries to make any) may be entirely wrong. But the common characteristic of inferences is that they are statements about matters which are not directly known, statements made on the basis of what has been observed. (p.40-41)"

- Language in Thought and Action

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"Reports are verifiable. We may not always be able to verify them ourselves, since we cannot track down the evidence for every piece of history we know [...]. But if we are roughly agreed on the names of things, on what constitutes a "foot," "yard," "bushel," and so on, and on how to measure time, there is relatively little danger of our misunderstanding each other. Even in a world such as we have today, in which everybody seems to be quarreling with everybody else, we still to a surprising degree trust each other's reports. We ask directions of total strangers when we are traveling. We follow directions on road signs without being suspicious of the people who put them up. We read books of information about science, mathematics, automotive engineering, travel, geography, the history of costume, and other such factual matters, and we usually assume that the author is doing his best to tell us as truly as he can what he knows. And we are safe in so assuming most of the time. With the interest given today to the discussion of biased newspapers, propagandists, and the general untrustworthiness of many of the communications we receive, we are likely to forget that we still have an enormous amount of reliable information available and that deliberate misinformation, except in warfare, is still more the exception than the rule. The desire for self- preservation that compelled men to evolve means for the exchange of information also compels them to regard the giving of false information as profoundly reprehensible. (p.39)"

- Language in Thought and Action

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