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
When you have thrown a stone, you cannot afterwards bring it back again, but nevertheless you are responsible for having taken up the stone and flung it, for the origin of the act was within you. Similarly the unjust and profligate might at the outset have avoided becoming so, and therefore they are so voluntarily, although when they have become unjust and profligate it is no longer open to them not to be so.
And it is characteristic of man that he alone has any sense of good and evil, of just and unjust, and the like, and the association of living beings who have this sense makes family and a state.
The search for truth is in one way hard and in another way easy, for it is evident that no one can master it fully or miss it wholly. But each adds a little to our knowledge of nature, and from all the facts assembled there arises a certain grandeur.
Every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.
Personal beauty is a greater recommendation than any letter of introduction
Teachers who educate children deserve more honor than parents who merely gave birth; for bare life is furnished by the one, the other ensures a good life
A true friend is one soul in two bodies.
A tragedy is the imitation of an action that is serious, and also, as having magnitude, complete in itself . . . with incidents arousing pity and terror, with which to accomplish its purgation of these emotions.
Dignity consists not in possessing honors, but in the consciousness that we deserve them.
We should behave to our friends as we would wish our friends to behave to us
Wicked men obey from fear; good men, from love.
It is easy to fly into a passion - anybody can do that - but to be angry with the right person to the right extent and at the right time with the right object and in the right way - that is not easy, and it is not everyone who can do it
Melancholy men are of all others the most witty.
The quality of a life is determined by its activities