"We can't go home," Joshua said at last. "I don't know enough yet." "No," said Gaspar, "I suspect that you don't. But you know all that you will learn here. If you come to a river and find a boat at the edge, you will use that boat to cross and it will serve you well, but once across the river, do you put the boat on your shoulders and carry it with you on the rest of your journey?" "How big is the boat?" I asked. "What color is the boat?" asked Joshua. "How far is the rest of the journey?" I queried. "Is Biff there to carry the oars, or do I have to carry everything?" asked Josh. "No!" screamed Gaspar. "No, you don't take the boat along on the journey. It has been useful but now it's simply a burden. It's a parable, you cretins!" --