We become just by performing just action, temperate by performing temperate actions, brave by performing brave action.

Friendship is a single soul dwelling in two bodies.

Men agree that justice in the abstract is proportion, but they differ in that some think that if they are equal in any respect they are equal absolutely, others that if they are unequal in any respect they should be unequal in all. The only stable principle of government is equality according to proportion, and for every man to enjoy his own.

Those who cannot bravely face danger are the slaves of their attackers.

The self-indulgent man craves for all pleasant things... and is led by his appetite to choose these at the cost of everything else.

The duty of rhetoric is to deal with such matters as we deliberate upon without arts or systems to guide us, in the hearing of persons who cannot take in at a glance a complicated argument or follow a long chain of reasoning.

To write well, express yourself like the common people, but think like a wise man.