"Then we are all in a great deal of trouble," he replied matter-of-factly. "We will lose our protections against discovery by the Muggle world, but then again, if magic is weakening, perhaps even failing, we will not have much reason to hide."
He frowned and shook his head, refusing to believe the world could be changing in that direction. "But if magic is changing, there must be a reason for it. I could believe in a gradual evolution over a long time, but a sudden change such as this? No, there must be a cause somewhere. It is simply a matter of finding it."