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 exported afterwards to Rome, where it was counterfeited by a composition called urbanity, which, in some time, was brought to very near the perfection of the original Attic salt. The more you are powdered with these two kinds of salt the better you will keep, and the more you will be relished. [''April, 1747.'']

—If at a ball, a supper, or a party of pleasure, a man were to be solving, in his own mind, a problem in Euclid, he would be a very bad companion, and make a very poor figure in that company; or if, in studying a problem in his closet, he were to think of a minuet, I am apt to believe that he would make a very poor mathematician. There is time enough for everything in the course of the day, if you do but one thing at once; but there is not time enough in the year, if you will do two things at a time. [Same date.]

—The best models that you can form yourself upon, are Cicero, Cardinal d'Ossat, Madame Sevigné, and Comte Bussy Rabutin. Cicero's epistles to Atticus and to his familiar friends are the best examples that you can imitate,