When the world is ruled according to the Way, the ghosts lose their power. The ghosts do not really lose their power, but it is not used to harm people.
LaoziTherefore the Sage embraces Unity, and is a model for all under Heaven. He is free from self-display, therefore he shines forth; from self-assertion, therefore he is distinguished; from self-glorification, therefore he has merit; from self-exaltation, therefore he rises superior to all. Inasmuch as he does not strive, there is no one in the world who can strive with him.
Laozi