“The spiritual man will pray that he may never fall from virtue, giving his most strenuous cooperation in order that he may become unfailing. . . . Now that he has made it his choice to live perfectly, he subjects himself to training, for the attainment of the stability of knowledge on each side. . . . However, this is not apart from the exercise of will, or the force of reason, knowledge, and providence. Rather, it is through them . . .”