Curious Incidents
Famously, Sherlock Holmes makes reference in one of Sir Arthur Conan Doyle's mysteries to "the curious incident of the dog in the night-time." In the story, a horse is stolen from a barn in the middle of the night; Holmes makes this reference; Watson replies something along the lines of, "But the dog did not bark;" Holmes, in his smugly self-satisfied manner responds, "That was the curious incident." The fact that the dog did not bark while a horse was being stolen indicated