four sources, which are in some respects different from one another. First, we sympathize with the motives of the agent; secondly, we enter into the gratitude of those who receive the benefit of his actions; thirdly, we observe that his conduct has been agreeable to the general rules by which those two sympathies generally act; and, last of all, when we consider such actions as making a part of a system of behaviour which tends to promote the happiness either of the individual or of the society, they appear to derive a beauty from this utility, not unlike that which we ascribe to any well contrived machine. After deducting, in any one particular case, all that must be acknowledged to proceed from some one or other of these four principles, I should be glad to know what remains, and I shall freely allow this overplus to be ascribed to a moral sense, or to any other peculiar faculty, provided any body will ascertain precisely what this overplus is. It might be expected, perhaps, that if there was any such peculiar principle, such as this moral sense is supposed to be, we should feel it, in some particular cases, separated and detached from every other, as we often feel joy, sorrow, hope and fear, pure and unmixed with any other emotion. This however, I imagine, cannot even be pretended. I have never heard any instance alleged in which this principle could be said to exert itself alone and unmixed with sympathy or antipathy, with gratitude or resentment, with the perception of the agreement or disagreement of any ac

tion to an established rule, or last of all with that general taste for beauty and order which is excited by inanimated as well as by animated objects.

II. There is another system which attempts to account for the origin of our moral sentiments from sympathy, distinct from that which I have been endeavouring to establish. It is that which places virtue in utility, and accounts for the pleasure with which the spectator surveys the utility of any quality from sympathy with the happiness of those who are affected by it. This sympathy is different both from that by which we enter into the motives of the agent, and from that by which we go along with the gratitude of the persons who are benefited by his actions. It is the same principle with that by which we approve of a well contrived machine. But no machine can be the object of either of those two last mentioned sympathies. I have already, in the fourth part of this discourse, given some account of this system.

SEC

SECTION IV.

Of the manner in which different authors have treated of the practical rules of morality.

IT

T was observed in the third part of this difcourse, that the rules of justice are the only rules of morality which are precise and accurate; that those of all the other virtues are loose, vague, and indeterminate; that the first may be compared to the rules of grammar; the others to those which critics lay down for the attainment of what is sublime and elegant in composition, and which prefent us rather with a general idea of the perfection we ought to aim at, than afford us any certain and infallible directions for acquiring it.

As the different rules of morality admit such different degrees of accuracy, those authors who have endeavoured to collect and digest them into systems have done it in two different manners; and one set has followed thro' the whole that loose method to which they, were naturally directed by the consideration of one species of virtues; while another has as universally endeavoured to introduce into their precepts that sort of accuracy of which only some of them are susceptible. The first have wrote like critics, the second like gram

marians.

I. The first, among whom we may count. all the antient moralists, have contented themselves with describing in a general manner the different vices and virtues, and with pointing out the deformity and misery of the one disposition as well as the propriety and happiness of the other, but have not affected to lay down many precise rules that are to hold good unexceptionably in all particular cases. They have only endeavoured to ascertain, as far as language is capable of ascertaining, first, wherein consists the sentiment of the heart, upon which each particular virtue is sounded, what sort of internal feeling or emotion it is which constitutes the essence of friendship, of humanity, of generosity, of justice, of magnanimity, and or all the other virtues, as well as of the vices which are opposed to them: and, secondly, What is the general way of acting, the ordinary tone and tenor of conduct to which each of those sentiments would direct us, or how it is that a friendly, a generous, a brave, a just, and a humane man, would, upon ordinary occasions, chuse to act.

To characterize the sentiment of the heart, upon which each particular virtue is founded,* though it requires both a delicate and an accurate pencil, is a task, however, which may be executed with some degree of exactness. It is impossible, indeed, to express all the variations which each sentiment either does or ought to undergo, according to every possible variation of circumstances. They are endless, and language wants names to

mark

mark them by. The sentiment of friendfhip, for example, which we feel for an old man is different from that which we feel for a young that which we entertain for an austere man different from that which we feel for one of softer and gentler manners: and that again from what we feel for one of gay vivacity and spirit. The friendship which we conceive for a man is different from that with which a woman affects us, even where there is no mixture of any grosser passion. What author could enumerate and ascertain these and all the other infinite varieties which this sentiment is capable of undergoing? But still the general sentiment of friendship and familiar attachment which is common to them all, may be ascertained with a sufficient degree of accuracy. The picture which is drawn' of it, though it will always be in many refpects incompleat, may, however, have such a resemblance as to make us know the original when we meet with it, and even distinguish it from other sentiments to which it has a considerable resemblance, such as good-will, respect, esteem, admiration.

To describe, in a general manner, what is the ordinary way of acting to which each virtue would prompt us, is still more easy. It is, indeed, scarce possible to describe the internal sentiment or emotion upon which it is founded, without doing something of this kind. It is impossible by language to express, if I may say so, the invisible features of all the different modifications of passion as they show themselves