Aristotle

Aristotle
Aristotle was a Greek philosopher and scientist born in the city of Stagira, Chalkidice, on the northern periphery of Classical Greece. His father, Nicomachus, died when Aristotle was a child, whereafter Proxenus of Atarneus became his guardian. At eighteen, he joined Plato's Academy in Athens and remained there until the age of thirty-seven. His writings cover many subjects – including physics, biology, zoology, metaphysics, logic, ethics, aesthetics, poetry, theater, music, rhetoric, linguistics, politics and government – and constitute the first comprehensive system...
NationalityGreek
ProfessionPhilosopher
Persuasion is clearly a sort of demonstration, since we are most fully persuaded when we consider a thing to have been demonstrated.
To attain any assured knowledge about the soul is one of the most difficult things 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.
There is no great genius without some touch of madness.
Some kinds of animals burrow in the ground; others do not. Some animals are nocturnal, as the owl and the bat; others use the hours of daylight. There are tame animals and wild animals. Man and the mule are always tame; the leopard and the wolf are invariably wild, and others, as the elephant, are easily tamed.
The true and the approximately true are apprehended by the same faculty; it may also be noted that men have a sufficient natural instinct for what is true, and usually do arrive at the truth. Hence the man who makes a good guess at truth is likely to make a good guess at probabilities.
In constructing the plot and working it out with the proper diction, the poet should place the scene, as far as possible, before his eyes. In this way, seeing everything with the utmost vividness, as if he were a spectator of the action, he will discover what is in keeping with it, and be most unlikely to overlook inconsistencies.
Long-lived persons have one or two lines which extend through the whole hand; short-lived persons have two lines not extending through the whole hand.
Our judgments when we are pleased and friendly are not the same as when we are pained and hostile.
The best friend is the man who in wishing me well wishes it for my sake.
It is the mark of an instructed mind to rest satisfied with the degree of precision to which the nature of the subject admits and not to seek exactness when only an approximation of the truth is possible.
It's been approved and gone to the board,
It is the nature of desire not to be satisfied, and most men live only for the gratification of it.
It is evident that the state is a creation of nature, and that man is by nature a political animal.