In Slaughterhouse-Five, the narrator explains why Ilium is a good place to be an optometrist. The General Forge and Foundry is in Ilium, and every employee is required to own a pair of safety glasses. With 68,000 employees, that “calls for a lot of lenses and a lot of frames.” The next paragraph is one sentence long: “Frames are where the money is.” After having taken students on a two-week trip to England, I've been thinking about frames—not the optical kind, but the kind we use in teaching—and how important framing something appropriately is to teaching and learning.
