The same unquestionable argument may be derived from the opinion of those who maintain that morality is something real, essential, and founded on nature. The most probable hypothesis, which has been advanced to explain the distinction betwixt vice and virtue, and the origin of moral rights and obligations, is, that from a primary constitution of nature, certain characters and passions, by the very view and contemplation, produce a pain, and others in like manner excite a pleasure. The uneasiness and satisfaction are not only inseparable from vice and virtue, but constitute their very nature and essence. To approve of a character is to feel an original delight upon its appearance. To disapprove of it is to be sensible of an uneasiness. The pain and pleasure therefore being the primary causes of vice and virtue, must also be the causes of all their effects, and consequently of pride and humility, which are the unavoidable attendants of that distinction. But, supposing this hypothesis of moral philosophy should be allowed to be false, 'tis still evident that pain and pleasure, if not the causes of vice and virtue, are at least inseparable from them. A generous and noble character affords a satisfaction even in the survey; and when presented to us, though only in a poem or fable, never fails to charm and delight us. On the other hand, cruelty and treachery displease from their very nature; nor is it possible ever to reconcile us to these qualities, either in ourselves or others. Thus, one hypothesis of morality is an undeniable proof of the foregoing system, and the other at worst agrees with it. But pride and humility arise not from these qualities alone of the mind, which, according to the vulgar systems of ethicks, have been comprehended as parts of moral duty, but from any other that has a connexion with pleasure and uneasiness. Nothing flatters our vanity more than the talent of pleasing by our wit, good humour, or any other accomplishment; and nothing gives us a more sensible mortification than a disappointment in any attempt of that nature. No one has ever been able to tell what _wit_ is, and to show why such a system of thought must be received under that denomination, and such another rejected. 'Tis only by taste we can decide concerning it, nor are we possessed of any other standard, upon which we can form a judgment of this kind. Now, what is this _taste_, from which true and false wit in a manner receive their being, and without which no thought can have a title to either of these denominations? 'Tis plainly nothing but a sensation of pleasure from true wit, and of uneasiness from false, without our being able to tell the reasons of that pleasure or uneasiness. The power of bestowing these opposite sensations is, therefore, the very essence of true and false wit, and consequently the cause of that pride or humility which arises from them.