Aristotle

The wise man does not expose himself needlessly to danger, since there are few things for which he cares sufficiently; but he is willing, in great crises, to give even his life - knowing that under certain conditions it is not worthwhile to live. ”

Men create gods after their own image, not only with regard to their form but with regard to their mode of life. ”

The energy of the mind is the essence of life. ”

In poverty and other misfortunes of life, true friends are a sure refuge. The young they keep out of mischief; to the old they are a comfort and aid in their weakness, and those in the prime of life they incite to noble deeds. ”

The ideal man bears the accidents of life with dignity and grace, making the best of circumstances. ”

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. ”

The educated differ from the uneducated as much as the living from the dead. ”

Persuasion is clearly a sort of demonstration, since we are most fully persuaded when we consider a thing to have been demonstrated. ”

The state comes into existence for the sake of life and continues to exist for the sake of good life. ”

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. ”