Septimus was suddenly horribly afraid that the Antidote would not work. He glanced nervously at Marcia, who whispered, "It will work, Septimus. You must believe in it."
Physik isn't like Magyk," said Septimus unhappily. "It doesn't matter whether you expect it to work or not. Either it does or it doesn't."
"I doubt that very much," said Marcia. "A little belief in something always helps.

Autore: Angie Sage