The Phantom Tollbooth Lesson Plan

In chapter 13, Canby tells the travelers: "You can swim all day in the Sea of Knowledge and still come out completely dry. Most people do." What is Milo, Tock, and Humbug's experience of their swim in the Sea of Knowledge? What does it tell you about their characters? What is the author trying to express generally with this element of the allegory?

When Milo and Tock swim through the Sea of Knowledge they get entirely soaked and are thoroughly exhausted. Humbug doesn't get wet at all and concludes that the jump to Conclusions, "wasn't bad at all. I must visit there again." Milo by contrast says, "From now on I'm going to have a very good reason before I make up my mind...