"I suppose you know what is best, Davy, and I want you to succeed more than anything else in the world. Duty is a queer thing anyhow. The Cochrans think I ought to stay ashore and go to school. But I know better. There never was a wiser teacher than grandfather, and he needs me, and school must wait. And you and I could study together, Davy. Think of the months and months at sea."