If a man of good natural disposition acquires Intelligence [as a whole], then he excels in conduct, and the disposition which previously only resembled Virtue, will now be Virtue in the true sense. Hence just as with the faculty of forming opinions [the calculative faculty] there are two qualities, Cleverness and Prudence, so also in the moral part of the soul there are two qualities, natural virtue and true Virtue; and true Virtue cannot exist without Prudence.
Teachers, who educate children, deserve more honour than parents, who merely gave them birth; for the latter provided mere life, while the former ensure a good life.
Happiness itself is sufficient excuse. Beautiful things are right and true; so beautiful actions are those pleasing to the gods. Wise men have an inward sense of what is beautiful, and the highest wisdom is to trust this intuition and be guided by it. The answer to the last appeal of what is right lies within a man's own breast. Trust thyself.
The Life of the intellect is the best and pleasantest for man, because the intellect more than anything else is the man. Thus it will be the happiest life as well.
A period may be defined as a portion of speech that has in itself a beginning and an end, being at the same time not too big to be taken in at a glance
One kind of justice is that which is manifested in distributions of honour or money or the other things that fall to be divided among those who have a share in the constitution ... and another kind is that which plays a rectifying part in transactions.