Aristotle

"Poverty is the mother of crime."

"The quality of life is determined by its activities."

"Anybody can become angry—that is easy. But to be angry with the right person, to the right degree, at the right time, for the right purpose, and in the right way—that is not within everybody's power and is not easy."

"A common danger unites even the bitterest enemies."

"Excellence is never an accident. It is always the result of high intention, sincere effort, and intelligent execution."

"In all things of nature there is something of the marvelous."

"The whole is greater than the sum of its parts."

"It is well to be up before daybreak, for such habits contribute to health, wealth, and wisdom."

"We are what we repeatedly do. Excellence, then, is not an act, but a habit."

"Knowing yourself is the beginning of all wisdom."

"The aim of art is to represent not the outward appearance of things, but their inward significance."

"Time crumbles things; everything grows old under the power of Time and is forgotten through lapse of time."

"A friend to all is a friend to none."

"Man is by nature a political animal."

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

"Without friends, no one would choose to live, even if he had all other goods."

"The virtues are mean states between vices."

"Fear is pain arising from the anticipation of evil."

"Poetry is finer and more philosophical than history; for poetry tends to express the universal, history only the particular."

"It is impossible for a man to learn what he thinks he already knows."

"The more you know, the more you realize you know nothing."

"Choice of the evil is in our power."

"Happiness belongs to the self-sufficient."

"To perceive is to suffer."

"Slow and steady wins the race."

"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."

"In our sleep, pain which cannot forget falls drop by drop upon the heart until, in our own despair, against our will, comes wisdom by the awful grace of God."

"One swallow does not make a summer."

"The greatest virtues must be those that are most useful to other persons."

"Nature does nothing uselessly."