If you prove the cause, you at once prove the effect; and conversely nothing can exist without its cause.

Both oligarch and tyrant mistrust the people, and therefore deprive them of their arms.

A right election can only be made by those who have knowledge.

The wise man knows of all things, as far as possible, although he has no knowledge of each of them in detail

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.

The good lawgiver should inquire how states and races of men and communities may participate in a good life, and in the happiness which is attainable by them.

The soul consists of two parts, one irrational and the other capable of reason. (Whether these two parts are really distinct in the sense that the parts of the body or of any other divisible whole are distinct, or whether though distinguishable in thought as two they are inseparable in reality, like the convex and concave of a curve, is a question of no importance for the matter in hand.)