Upon the whole, if the generality of mankind were to cultivate within themselves the principle of self-love; if they were to accustom themselves often to set down and consider, what was the greatest happiness they were capable of attaining for themselves in this life; and if self-love were so strong and prevalent, as that they would uniformly pursue this their supposed chief temporal good, without being diverted from it by any particular passion, it would manifestly prevent numberless follies and vices. This was in a great measure the Epicurean system of philosophy. It is indeed by no means the religious, or even moral institution of life. Yet with all the mistakes men would fall into about interest, it would be less mischievous than the extravagances of mere appetite, will, and pleasure: for certainly self-love, though confined to the interest of this life, is, of the two, a much better guide than passion, which has absolutely no bound nor measure, but what is set to it by this self-love, or moral considerations.
From the distinction above made, between self-love and the several particular principles or affections in our nature, we may see how good ground there was for that assertion, maintained by the several ancient schools of philosophy against the Epicureans, namely, that virtue is to be pursued as an end, eligible in and for itself. For, if there be any principles or affections in the mind of man distinct from self-love, that the things those principles tend towards, or that the objects of those affections are, each of them, in themselves eligible to be pursued upon its own account, and to be rested in as an end, is implied in the very idea of such principle or affection. They indeed asserted much higher things of virtue, and with very good reason: but to say thus much of it, that it is to be pursued for itself, is to say no more of it than may truly be said of the object of every natural affection whatever.
The question which was a few years ago disputed in France, concerning the love of God, which was there called enthusiasm, as it will every where by the generality of the world; this question, I say, answers in religion, to that old one in morals now mentioned. And both of them are, I think, fully determined by the same observation, namely, that the very nature of affection, the idea itself, necessarily implies resting in its object as an end.
I shall not here add anything further to what I have
