... that he may know it. But there is the scout who learns a thing so that he may do it. And having done it, he forgets it. Perhaps there is the scout who learns, does, and remembers. But Hervey was not of that order. He had made a plunge for each merit badge, won it and, presto, his nervous mind was on another. It takes all kinds of scouts to make ... — Tom Slade on Mystery Trail • Percy Keese Fitzhugh