Do you mean to say," asked Caspian, "that you three come from a round world (round like a ball) and you've never told me! It's really too bad for you. Because we have fairy-tales in which there are round worlds and I have always loved them … Have you ever been to the parts where people walk about upside-down?" Edmund shook his head. "And it isn't like that," he added. "There's nothing particularly exciting about a round world when you're there.
Every spell is something special, fit for the moment when it's done." Edmund pushed his bowl across to Tom. "It's not just the words you say, but the way they make you feel, the meaning and the rhythm, the connection you make with them. It's not just the things you think, but how the place and time you're in can change them.