I will not allow the Athenians to sin twice against philosophy.
During the uprisings against Macedonian rule that followed the death of Alexander the Great in 323 B.C.E., Alexander’s former tutor, Aristotle, escaped Athens saying this. Appeared in the article, "What Is a Pholosopher?", on May 16th 2010 in New York Times, http://opinionator.blogs.nytimes.com/2010/05/16/what-is-a-philosopher/.
First, have a definite, clear practical ideal; a goal, an objective. Second, have the necessary means to achieve your ends; wisdom, money, materials, and methods. Third, adjust all your means to that end.
A constitution is the arrangement of magistracies in a state.
All human beings, by nature, desire to know.
All men seek one goal: success or happiness. The only way to achieve true success is to express yourself completely in service to society. First, have a definite, clear, practical ideal-a goal, an objective. Second, have the necessary means to achieve your ends-wisdom, money, materials and methods. Third, adjust all your means to that end.
At his best, man is the noblest of all animals; separated from law and justice he is the worst.
A true friend is one soul in two bodies.
Bring your desires down to your present means. Increase them only when your increased means permit.
Courage is the first of human qualities because it is the quality which guarantees the others.
Education is the best provision for old age.
Education is an ornament in prosperity and a refuge in adversity.
For though we love both the truth and our friends, piety requires us to honor the truth first.
Happiness is the meaning and the purpose of life, the whole aim and end of human existence
He who hath many friends hath none.
He who is unable to live in society, or who has no need because he is sufficient for himself, must be either a beast or a god.
It is best to rise from life as from a banquet, neither thirsty nor drunken.
It is Homer who has chiefly taught other poets the art of telling lies skillfully.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
It is not once nor twice but times without number that the same ideas make their appearance in the world.
Money is a guarantee that we may have what we want in the future. Though we need nothing at the moment it insures the possibility of satisfying a new desire when it arises.
Mothers are fonder than fathers of their children because they are more certain they are their own.
No one would choose a friendless existence on condition of having all the other things in the world.
Poetry is more philosophical and of higher value than history; for poetry tends to express the universal, history the particular.
Probable impossibilities are to be preferred to improbable possibilities.
The aim of art is to represent not the outward appearance of things, but their inward significance.
The aim of the wise is not to secure pleasure, but to avoid pain.
The best friend is the man who in wishing me well wishes it for my sake.
Therefore, the good of man must be the end of the science of politics.
The state is a creation of nature and man is by nature a political animal.
The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival.
The virtue of justice consists in moderation, as regulated by wisdom.
Thou wilt find rest from vain fancies if thou doest every act in life as though it were thy last.
We become just by performing just action, temperate by performing temperate actions, brave by performing brave action.
We are what we repeatedly do. Excellence, then, is not an act, but a habit.
Whosoever is delighted in solitude is either a wild beast or a god.
Wishing to be friends is quick work, but friendship is a slow ripening fruit.
Without friends no one would choose to live, though he had all other goods.
You will never do anything in this world without courage. It is the greatest quality of the mind next to honor.