In the next place, therefore, association with men introduces justice; but alienation, and a contempt of the common genus, produce injustice. Wishing therefore to insert this familiarity from afar in men, he also ordained that his disciples should extend it to animals of the same genus, and commanded them to consider these as their familiars and friends; so as neither to injure, nor slay, nor eat any one of them. He therefore who associates men with animals, because they consist of the same elements as we do, and participate with us of a more common life, will in a much greater degree establish fellowship with those who partake of a soul of the same species, and also of a rational soul. From this also it is evident that he introduced justice produced from the most proper principle. Since likewise the want of riches, sometimes compels many to do something contrary to justice, he well foresaw that this would be the case, and through economy procured for himself liberal expenses, and what was just in sufficient abundance. For again, a just arrangement of domestic concerns is the principle of all good order in cities. For cities are constituted from houses. It is said therefore, that Pythagoras himself was the heir of the property of Alcæus, who died after performing an embassy to the Lacedæmonians, but that notwithstanding this, he was no less admired for his economy than for his philosophy. When also he was married, he so educated the daughter that was born to him, and who was afterwards married to Meno the Crotonian, that when she was a virgin she was the leader of choirs, but when a wife she held the first place among those that approached to altars. It is likewise said, that the Metapontines preserving the remembrance of Pythagoras after his time, made his house a temple of Ceres, but the street in which he lived a museum.

Pythagoras taught that friendship was the truest and nearest perfect of all relationships. He declared that in Nature there was a friendship of all...