"Raja Yoga stands by itself and is the king science of them all; it is the summation of all the others, it is the climax and that which completes the work of development in the human kingdom. It is the science of the mind and of the purposeful will, and brings the higher of man's sheaths in the three worlds under the subjection of the Inner Ruler. This science coordinates the entire lower threefold man, forcing him into a position where he is nothing but the vehicle for the soul, or God within. It includes the other yogas and profits by their achievements. It synthesises the work of evolution and crowns man as king."