The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival.
Different men seek after happiness in different ways and by different means, and so make for themselves different modes of life and forms of government.
The happy life is regarded as a life in conformity with virtue. It is a life which involves effort and is not spent in amusement.
Those that know, do. Those that understand, teach.
The aim of the wise is not to secure pleasure, but to avoid pain.
The ideal man bears the accidents of life with dignity and grace, making the best of circumstances.
The proof that you know something is that you are able to teach it.
Man is a goal-seeking animal. His life only has meaning if he is reaching out and striving for his goals.
Every art and every inquiry, and similarly every action and choice, is thought to aim at some good; and for this reason the good has rightly been declared to be that at which all things aim.
Without friends, no one would choose to live, though he had all other goods.
Men create gods after their own image, not only with regard to their form but with regard to their mode of life.
All men by nature desire knowledge.
The aim of art is to represent not the outward appearance of things, but their inward significance.
Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.
Comedy aims at representing men as worse, Tragedy as better than in actual life.
All human beings, by nature, desire to know.
The one exclusive sign of thorough knowledge is the power of teaching.
The energy of the mind is the essence of life.
The actuality of thought is life.
To attain any assured knowledge about the soul is one of the most difficult things in the world.