"Raja Yoga stands by itself and is the king science of them all; it is the summation of all the others... Karma Yoga has a specific relation to physical plane activity, and to the working out into objective manifestation of all the inner impulses. In its ancient and simplest form it was the yoga of the third or Lemurian root race and its two best known expressions are: a. Hatha Yoga, b. Laya Yoga. The former has specifically to do with the physical body, its conscious (not subconscious and automatic) functioning and all the various practices which give man control over the different organs and the entire mechanical apparatus of the physical body. The latter has to do with the etheric body, with the force centers or chakras found in that body..."