Spirit is not a mystic concept. The spirit of a person is manifest in her aliveness, brightness of his eyes, in the resonance of her voice and in the ease and gracefulness of his movements. These qualities are related to and stem from a high level of energy in the body... Sensing the harmony between the internal pulsation of our body and that in the universe, we feel identified with the universal, with God. We are like tuning forks vibrating at the same pitch