You are able to sense or to feel the presence and Influence of those who are keyed to the same rate of Vibration as yourself, and to sense and feel their presence and influence on that plane of life on which they are in tune with you—be this the physical, mental or Spiritual plane.
Benjamin F. Woodcox, Fragments
of Spiritual Knowledge Pertaining to the Spiritual World, Woodcox & Fanner, Battle Creek, Michigan, 1923