Buddha's sensation: Represents buddhahood, means, a state of attentiveness to the mind that becomes the reformer of the conscious & unconscious mind, while the sensations of the body become life consciousness; that is, the images of buddhahood floating face represents of air bubble which are full of emptiness or empty into fullness...
Spiritual essence: There is a silent truth of life & nature that is constant with basic culture, unfolding over time while cosmic life is a reflection of family life; that is, the 'subtle-body of life' or the 'supreme being' exists in the physical body as a natural force which develops physical growth at a every moment when life is in a unfolding state; so the spiritual essence represents the time when the conscious and unconscious are in a reactive state, so the outcome of eternal life 'everything is either true or false' wisdom is the resource of life which sustains life and the patience leads to the ultimate goal;