"The whole affair, then, of religion and morality, the subject of so many thousand volumes, is, in short, no more than this: the supreme being, infinitely good, as well as powerful, desirous to diffuse happiness by all possible means, has created innumerable ranks and orders of beings, all subservient to each other by proper subordination. One of these is occupied by man, a creature endued with such a certain degree of knowledge, reason, and freewill, as is suitable to his situation, and placed, for a time, on this globe, as in a school of probation and education. Here he has an opportunity given him of improving or debasing his nature, in such a manner, as to render himself fit for a rank of higher perfection and happiness, or to degrade himself to a state of greater imperfection and misery; necessary, indeed, towards carrying on the business of the universe, but very grievous and burdensome to those individuals who, by their own misconduct, are obliged to submit to it. The test of this his behaviour is doing good, that is, cooperating with his creator, as far as his narrow sphere of action will permit, in the production of happiness. And thus the happiness and misery of a future state will be the just reward or punishment of promoting or preventing happiness in this. So artificially, by this means, is the nature of all human virtue and vice contrived, that their rewards and punishments are woven, as it were, in their very essence; their immediate effects give us a foretaste of their future, and their fruits, in the present life, are the proper samples of what they must unavoidably produce in another. We have reason given us to distinguish these consequences, and regulate our conduct; and, lest that should neglect its post, conscience also is appointed, as an instinctive kind of monitor, perpetually to remind us both of our interest and our duty."