Authors:
  • I have long held an opinion, almost amounting to conviction, in common I believe with many other lovers of natural knowledge, that the various forms under which the forces of matter are made manifest have one common origin; or, in other words, are so directly related and mutually dependent, that they are convertible, as it were, one into another, and possess equivalents of power in their action.

    Bence Jones, Michael Faraday (2010). “The Life and Letters of Faraday”, p.195, Cambridge University Press