Equality consists in the same treatment of similar persons.

All teaching and all intellectual learning come about from already existing knowledge.

Meanness is incurable; it cannot be cured by old age, or by anything else.

That in the soul which is called the mind is, before it thinks, not actually any real thing.

The purpose of the present study is not as it is in other inquiries, the attainment of knowledge, we are not conducting this inquiry in order to know what virtue is, but in order to become good, else there would be no advantage in studying it. For that reason, it becomes necessary to examine the problem of our actions and to ask how they are to be performed. For as we have said, the actions determine what kind of characteristics are developed.

For even they who compose treatises of medicine or natural philosophy in verse are denominated Poets: yet Homer and Empedocles have nothing in common except their metre; the former, therefore, justly merits the name of the Poet; while the other should rather be called a Physiologist than a Poet.

Definition of tragedy: A hero destroyed by the excess of his virtues