100,000 vel centena milli HS. seu nummûm 200,000 vel bis centena millia HS. 500,000 vel quingenta millia HS. 1,000,000 vel decies centena mill. HS. Quindecies centena millia HS. Vicies centena millia HS. Quinquagies centena millia HS. 625,000 li 250 million 500 million Vicies millies centena millia HS. ór 2,000,000,000 of sesterces Quadragies millies centena millia HS. or 4,000,000,000 of sesterces Quadragies quater millies centena millia HS. or 4,400,000,000 of sesterces Quadragies octies millies centena millia HS. or 4,800,000,000 of sesterces Quinquagies sexies millies centena millia HS. or 5,600,000,000 of sesterces Sexagies quater millies centena millia 550 million 600 million 700 million HS.or 6,400,000,000 of sesterces 800 million Septuagies bis millies centena millia HS. or 7,200,000,000 of sester ces Octuagies millies centena millia HS. 900 million or 8.000,000,000 of sesterces 1000 million Centies millies centena millia HS. or 10,000,000,000 of sesterces 1250 million Sester 25,000 dr. 12,500 liv. 1000 sestertia, or decies sestertium, is the same thing s decies centena millia HS. mentioned above, and of the following numbers. 258 BOOK V. OF PHILOSOPHY. SHOULD I undertake to treat Philosophy all its extent, I might apply myself to the boy for whom I write, in the words which Tully pu into the mouth of Anthony, who was once prevail upon to talk of rhetoric against his inclination, Hear, said he, hear a man that is going to instru you in what he has never learned himself." The would be only this difference in the case, that Anth ny's ignorance was feigned and counterfeit, where mine is actual and true, having never applied mys to the study of Philosophy, but very superficially, which I have often had cause to repent. Though p haps if I had studied it under as skilful masters have since been in the university, and are now th in great number, I might have had as much taste it as for the study of polite learning, to which alon have given up all my time. But however, I enough acquainted with the usefulness and great vantages deducible from it, to exhort youth not fail in giving all the application they possibly can so important a science. It is to this particular I s confine myself in this small dissertation, which s not be a treatise of Philosophy, but a bare exhor tion to the boys to study it with care. Though we had nothing more than eloquence view, this study would be absolutely necessary, Tully declares in more than one place, and he ma no scruple to own, that what progress he had mad the art of speaking, was less owing to the precept the rhetoricians than the lessons of the philosoph [i] Fateor me oratorem, si modò sim, non ex de omni genere dicendi sen Cic. lib. ii. de Orat. n. 28, 2 [i] Orat. n. 12. [b] Audite verò, audite, inquit, hominem, &c. Docebo vos, discipuli, id quod ipse non didici, quid to |