Born: 384 BC Stagira, Chalcidice (Chalkidiki), northern Greece
Died: 322 BC (aged 62) Euboea, Greece
Interests: Biology, Zoology, Physics, Metaphysics, Logic, Ethics, Rhetoric, Music, Poetry, Theater, Politics, Government
Ideas: Golden mean, Aristotelian logic, Syllogism, Hexis, Hylomorphism, Theory of the soul
Aristotle was a Greek philosopher and scientist born in the Macedonian city of Stagira, Chalkidice, on the northern periphery of Classical Greece.
1) All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.
2) You will never do anything in this world without courage. It is the greatest quality of the mind next to honor.
3) Anybody can become angry — that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way — that is not within everybody's power and is not easy.
4) Love is composed of a single soul inhabiting two bodies.
5) A friend is a second self.
6) The roots of education are bitter, but the fruit is sweet.
7) Excellence is never an accident. It is always the result of high intention, sincere effort, and intelligent execution; it represents the wise choice of many alternatives - choice, not chance, determines your destiny.
8) To avoid criticism say nothing, do nothing, be nothing.
9) Law is mind without reason.
10) My best friend is the man who in wishing me well wishes it for my sake.
11) Happiness is the meaning and the purpose of life, the whole aim and end of human existence.
12) A friend to all is a friend to none.
13) At his best, man is the noblest of all animals; separated from law and justice he is the worst.
14) Hope is a waking dream.
15) Pleasure in the job puts perfection in the work.
16) He who has overcome his fears will truly be free.
17) Happiness depends upon ourselves.
18) A true friend is one soul in two bodies.
19) Wishing to be friends is quick work, but friendship is a slow ripening fruit.
20) Quality is not an act, it is a habit.
21) Those who know, do. Those that understand, teach.
22) The antidote for fifty enemies is one friend.
23) In a democracy the poor will have more power than the rich, because there are more of them, and the will of the majority is supreme.
24) Knowing yourself is the beginning of all wisdom.
25) It is the mark of an educated mind to be able to entertain a thought without accepting it.
26) No great mind has ever existed without a touch of madness.
27) Educating the mind without educating the heart is no education at all.
28) It is not enough to win a war; it is more important to organize the peace.
29) Learning is not child's play; we cannot learn without pain.