non laudandum aut fecit, aut dixit, aut sensit."

[Same date.]

The Ruling Passion.—Seek for their particular merit, their predominant passion, or their prevailing weakness, and you will then know what to bait your hook with, to catch them. Man is a composition of so many and such various ingredients, that it requires both time and care to analyze him: for though we have, all, the same ingredients in our general composition, as reason, will, passions, and appetites, yet the different proportions and combinations of them, in each individual, produce that infinite variety of characters, which, in some particular or other, distinguishes every individual from another. Reason ought to direct the whole, but seldom does. [Sept. 5, 1748.]

Bruyère and Rochefoucault.—I will recommend to your attentive perusal, now you are going into the world, two books, which will let you as much into the characters of men as books can do. I mean "Les Réflexions Morales de Monsieur de la Rochefoucault," and "Les Caractères de la Bruyère": but remember, at the same time, that I only recommend them to you as the best general maps, to assist you in your journey, and not as marking out every particular turning and winding that you