The aim of art is to represent not the outward appearance of things, but their inward significance.Aristotle
To attain any assured knowledge about the soul is one of the most difficult things in the world.Aristotle
Persuasion is clearly a sort of demonstration, since we are most fully persuaded when we consider a thing to have been demonstrated.Aristotle
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.Aristotle
For as the eyes of bats are to the blaze of day, so is the reason in our soul to the things which are by nature most evident of all.Aristotle
A sense is what has the power of receiving into itself the sensible forms of things without the matter, in the way in which a piece of wax takes on the impress of a signet-ring without the iron or gold.Aristotle
Our judgments when we are pleased and friendly are not the same as when we are pained and hostile.Aristotle