Ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy
Man is the only animal capable of reasoning, though many others possess the faculty of memory and instruction in common with him.
Some animals are cunning and evil-disposed, as the fox; others, as the dog, are fierce, friendly, and fawning. Some are gentle and easily tamed, as the elephant; some are susceptible of shame, and watchful, as the goose. Some are jealous and fond of ornament, as the peacock.
He who can be, and therefore is, another's, and he who participates in reason enough to apprehend, but not to have, is a slave by nature.
The poet, being an imitator like a painter or any other artist, must of necessity imitate one of three objects - things as they were or are, things as they are said or thought to be, or things as they ought to be. The vehicle of expression is language - either current terms or, it may be, rare words or metaphors.
It is not once nor twice but times without number that the same ideas make their appearance in the world.
A statement is persuasive and credible either because it is directly self-evident or because it appears to be proved from other statements that are so.
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.
Both oligarch and tyrant mistrust the people, and therefore deprive them of their arms.
A constitution is the arrangement of magistracies in a state.
In making a speech one must study three points: first, the means of producing persuasion; second, the language; third the proper arrangement of the various parts of the speech.