No thought, no action, no movement, total stillness: only thus can one manifest the true nature and law of things from within and unconsciously, and at last become one with heaven and earth.
The transformation toward eternal life is gradual. The heavy gross energy of body, mind, and spirit must first be purified and uplifted. When the energy ascends... then self mastery can be sought.
Greed for enlightenment and immortality is no different than greed for material wealth. It is self-centered and dualistic, and thus an obstacle to true attainment. Therefore these states are never achieved by those who covet them; rather, they are the reward of the virtuous.
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.