"The basic approach for all who endeavour to grasp esotericism, or to teach esoteric students, is to lay the emphasis upon the world of energies and to recognise that behind all happenings in the world of phenomena... exists the world of energies; these are of the greatest diversity and complexity, but all of them move and work under the Law of Cause and Effect..."
January 1, 1970
https://en.wikiquote.org/wiki/Esotericism