I have written two medical novels. I have never studied medicine, never seen an operation.

Caldwell’s remark underscores the imaginative and research-driven nature of historical and “professional” fiction: a novelist can convincingly depict specialized worlds without formal credentials or firsthand experience. The quote also functions as a quiet defense of artistic license—suggesting that narrative truth (psychology, motive, drama) can be achieved through observation, reading, interviews, and disciplined invention rather than apprenticeship. At the same time, it hints at the perennial tension between experts and popular writers: audiences often assume technical authority behind realistic detail, while the writer may be assembling plausibility from secondary sources. The statement is thus both self-deprecating and a claim for the novelist’s craft.