" dappled sunlight and looked at the silver vapor swirling inside. “Mist gathered at first light on the first day of the new moon on the Isle of Avalon,” he said. “Yep. Good for one hour of great talent,” said Annie. Jack smiled, remembering their hour as horse trainers and their hour as stage magicians. “I wonder what we’ll be great at this time,” he said. “Maybe great nurses?” said Annie. “We’ll see,” said Jack. He put the tiny bottle in his backpack; then he picked up the piece of paper from the floor. On the paper he had written the two secrets of greatness they’d "
― Mary Pope Osborne , High Time for Heroes (Magic Tree House, #51)