People do not naturally become morally excellent or practically wise. They become so, if at all, only as the result of lifelong personal and community effort.

If then, as we say, good craftsmen look to the mean as they work, and if virtue, like nature, is more accurate and better than any form of art, it will follow that virtue has the quality of hitting the mean. I refer to moral virtue [not intellectual], for this is concerned with emotions and actions, in which one can have excess or deficiency or a due mean.

It will contribute towards one's object, who wishes to acquire a facility in the gaining of knowledge, to doubt judiciously.

We must as second best, as people say, take the least of the evils.

And so long as they were at war, their power was preserved, but when they had attained empire they fell, for of the arts of peace they knew nothing, and had never engaged in any employment higher than war.

... the good for man is an activity of the soul in accordance with virtue, or if there are more kinds of virtue than one, in accordance with the best and most perfect kind.

For example, justice is considered to mean equality, It does mean equality- but equality for those who are equal, and not for all.