Perhaps it would be just as well not to tell all the things which those two Fireflies said, for they were tired and out of patience. After a while they gave up trying to get out until they should be rested. It was after sunset when they tried the last time, and the light that shone from their bellies brightened the little green rooms where they were. They rested and went at it carefully, instead of in the angry, jerky way which they had tried before. Slowly, one foot at a time, they managed to climb out of the doorway at the top. As they came out, they heard the squeaky voice of a young Mouse say, "Oh, where did those bright things come from?"