Teaching is the highest form of understanding.

It is unbecoming for young men to utter maxims.

Whether we will philosophize or we won't philosophize, we must philosophize.

In a polity, each citizen is to possess his own arms, which are not supplied or owned by the state.

Happiness is essentially perfect; so that the happy man requires in addition the goods of the body, external goods and the gifts of fortune, in order that his activity may not be impeded through lack of them.

The principle aim of gymnastics is the education of all youth and not simply that minority of people highly favored by nature.

Those who believe that all virtue is to be found in their own party principles push matters to extremes; they do not consider that disproportion destroys a state.