The form of government is a democracy when the free, who are also poor and the majority, govern, and an oligarchy when the rich and the noble govern, they being at the same time few in number.

Every art and every inquiry, and similarly every action and choice, is thought to aim at some good; and for this reason the good has rightly been declared to be that at which all things aim.

The intelligence consists not only in the knowledge but also in the skill to apply the knowledge into practice.

The virtue of justice consists in moderation, as regulated by wisdom.

The soul is characterized by these capacities; self-nutrition, sensation, thinking, and movement.

Every great genius has an admixture of madness.

For often, when one is asleep, there is something in consciousness which declares that what then presents itself is but a dream.