All that we now know is, that the natural laws of this system are universal, invariable, unbending; that physical and moral tendencies are the same all over our world; and we have every reason to believe, over all other worlds. Wherever moral beings keep in harmony with these laws, there is no instance, in which happiness is not the result. Men never enjoy health, vigor, and felicity in disobedience to them. The whole infinite contrivance of everything above, around, and within us, appears directed to certain benevolent issues; and all the laws of nature are in perfect harmony with the whole constitution of man. I shall not enter upon the subtle controversies of moral philosophers, as to the fundamental principle of moral obligation, whether it be expediency, the nature of things, or the will of God? In my view these are rather questions about words, than things. The nature of things is a part of the will of God; and expediency is conformity to this unchanging order. An action derives its moral complexion from being conformed to the will of God, and the nature of things; and whatever is so conformed, is expedient; consequently all the different foundations of morals, when examined, are found to be precisely the same. My notions of morality are, that it is conformity to the physical, organic and moral laws of the universe. Some will choose to call it expediency; others, the will of God; and others still, the constitution of things. These views, when reduced to their elements, are the same, call them by what names we may. We may obviously divide these laws into three classes. The first series we call physical laws, or those which act upon the material universe, and upon ourselves as a part of that universe. The second we call organic, or those which regulate the origin, growth, well-being and dissolution of organized beings. The last, denominated moral, act chiefly on the intellectual universe. They are founded on our relations to the sentient universe and God.