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In the works translated in the present volume, Cicero makes such constant references to the doctrines and systems of the ancient Greek Philosophers, that it seems desirable to give a brief account of the most remarkable of those mentioned by him; not entering at length into th...
primary substance passing from fire through the intermediate stage of air becomes liquefied, and then the thick portion becomes earth, the thinner portion air, which is again ra...
8. Chapter 8I. This fifth day, Brutus, shall put an end to our Tusculan Disputations: on which day we discussed your favourite subject. For I perceive from that book which you wrote for me,...
4. Chapter 4I. At a time when I had entirely, or to a great degree, released myself from my labours as an advocate, and from my duties as a senator, I had recourse again, Brutus, principall...
6. Chapter 6I. What reason shall I assign, O Brutus, why, as we consist of mind and body, the art of curing and preserving the body should be so much sought after, and the invention of it,...
7. Chapter 7I. I have often wondered, Brutus, on many occasions, at the ingenuity and virtues of our countrymen; but nothing has surprised me more than their development in those studies, w...
5. Chapter 5I. Neoptolemus, in Ennius, indeed, says, that the study of philosophy was expedient for him; but that it required limiting to a few subjects, for that to give himself up entirel...
1. Chapter 1In the works translated in the present volume, Cicero makes such constant references to the doctrines and systems of the ancient Greek Philosophers, that it seems desirable to g...
2. Chapter 2his principles of ethics, and also in his metaphysical and theological speculations; and Cicero (De Nat. Deor. i. 13) complains that he did not express himself with precision or...