The Voyage of the Dawn Treader
It would be nice, and fairly nearly true, to say that "from that time forth Eustace was a different boy." To be strictly accurate, he began to be a different boy. He had relapses. There were still many days when he could be very tiresome. But most of those I shall not notice. The cure had begun. (7.61)
"That water turns things into gold. It turned the spear into gold, that's why it got so heavy. And it was just lapping against my feet (it's a good thing I wasn't barefoot) and it turned the toe-caps into gold. And that poor fellow on the bottom – well, you see." (8.71)
"The king who owned this island," said Caspian slowly, and his face flushed as he spoke, "would soon be the richest of all kings of the world. I claim this land for ever as a Narnian possession. It shall be called Goldwater Island. And I bind all of you to secrecy. No one must know of this. Not even Drinian – on pain of death, do you hear?"
"Who are you talking to?" said Edmund. "I'm no subject of yours. If anything it's the other way round. I am one of the four ancient sovereigns of Narnia and you are under allegiance to the High King my brother."
"So it has come to that, King Edmund, has it?" said Caspian, laying his hand on his sword-hilt. (8.78-80)