Finding something hidden in a dream shows that the dreamer is aware of the fear hidden deep in his heart. In the minds of many people, those hidden things are always associated with evil magic and terrible demons. Dreams reveal the selfish side of the dreamer's character.
When the dreamer grasps some mysterious knowledge, how to apply the knowledge to real life becomes very important. But he must keep one principle in mind: never harm others.
Seeing hidden things in a dream may indicate some mysterious knowledge that has not yet been grasped or utilized.