BOOK IV.
ON OTHER PERTURBATIONS OF THE MIND.
I. 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, which, though they came somewhat late to us, have been transported into this city from Greece. For the system of auspices, and religious ceremonies, and courts of justice, and appeals to the people, the senate, the establishment of an army of cavalry and infantry, and the whole military discipline, were instituted as early as the foundation of the city by royal authority, partly too by laws, not without the assistance of the Gods. Then with what a surprising and incredible progress did our ancestors advance towards all kind of excellence, when once the republic was freed from the regal power! Not that this is a proper occasion to treat of the manners and customs of our ancestors, or of the discipline and constitution of the city; for I have elsewhere, particularly in the six books I wrote on the Republic, given a sufficiently accurate account of them. But while I am on this subject, and considering the study of philosophy, I meet with many reasons to imagine that those studies were brought to us from abroad, and not merely imported, but preserved and improved; for they had Pythagoras, a man of consummate wisdom and nobleness of character, in a manner, before their eyes, who was in Italy at the time that Lucius Brutus, the illustrious founder of your nobility, delivered his country from tyranny. As the doctrine of Pythagoras spread itself on all sides, it seems probable to me that it reached this city; and this is not only probable of itself, but it does really appear to have been the case from many remains of it. For who can imagine that, when it flourished so much in that part of Italy which was called Magna Gracia, and in some of the
