Where, then, the result is something apart from the exercise, the actuality is in the thing that is being made, eg the act of building is in the thing that is being built and that of weaving in the thing that is being woven, and similarly in all other cases, and in general the movement is in the thing that is being moved; but when there is no product apart from the actuality, the actuality is in the agents, eg the act of seeing is in the seeing subject and that of theorizing in the theorizing subject and the life is in the soul (and therefore well being also; for it is a certain kind of life).