“A friend is a second self.”

“A friend to all is a friend to none.”

“All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.”

“All paid jobs absorb and degrade the mind.”

“All persons ought to endeavor to follow what is right, and not what is established.”

“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.”

“Character may almost be called the most effective means of persuasion.”

“Dignity does not consist in possessing honors, but in the consciousness that we deserve them.”

“Educating the mind without educating the heart is no education at all.”

“Excellence is an art won by training and habituation. We do not act rightly because we have virtue or excellence, but we rather have those because we have acted rightly. We are what we repeatedly do. Excellence, then, is not an act but a habit.”

“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.”

“Fear is pain arising from the anticipation of evil.”

“For the things we have to learn before we can do them, we learn by doing them.”

“Great men are always of a nature originally melancholy.”

“Happiness depends upon ourselves.”

“Happiness is a state of activity.”

“Happiness is the meaning and the purpose of life, the whole aim and end of human existence.”

“He who cannot be a good follower cannot be a good leader.”

“He who has overcome his fears will truly be free.”

“Hope is a waking dream.”

“I count him braver who overcomes his desires than him who conquers his enemies, for the hardest victory is over self.”

“I have gained this by philosophy; I do without being ordered what some are constrained to do by their fear of the law.”

“In all things of nature there is something of the marvelous.”

“It is during our darkest moments that we must focus to see the light.”

“It is not always the same thing to be a good man and a good citizen.”

“It is not enough to win a war; it is more important to organize the peace.”

“It is the mark of an educated mind to be able to entertain a thought without accepting it.”

“Knowing yourself is the beginning of all wisdom.”

“Learning is an ornament in prosperity, a refuge in adversity, 

and a provision in old age.”

“Learning is not child’s play; we cannot learn without pain.”

“Man is by nature a social animal; an individual who is unsocial naturally and not accidentally is either beneath our notice or more than human. Society is something that precedes the individual. Anyone who either cannot lead the common life or is so self-sufficient as not to need to, and therefore does not partake of society, is either a beast or a god. ”

“Misfortune shows those who are not really friends.”

“Nature does nothing uselessly.”

“No great mind has ever existed without a touch of madness.”

“One swallow does not make a summer, neither does one fine day; similarly one day or brief time of happiness does not make a person entirely happy.”

“Patience is bitter, but its fruit is sweet.”

“Pleasure in the job puts perfection in the work.”

“Poverty is the parent of revolution and crime.”

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

“The antidote for fifty enemies is one friend.”

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

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

“The high-minded man must care more for the truth than for what people think.”

“The more you know, the more you know you don’t know.”

“The secret to humor is surprise.”

“The whole is greater than the sum of its parts.”

“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.”

“Those who know, do. Those that understand, teach.”

“Through discipline comes freedom.”

“To perceive is to suffer.”

“To write well, express yourself like the common people, but think like a wise man.”

“We make war that we may live in peace.”

“What is a friend? A single soul dwelling in two bodies.”

“Where your talents and the needs of the world cross, there lies your vocation.”

“Whosoever is delighted in solitude, is either a wild beast or a god.”

“Wise men speak when they have something to say, fools speak because they have to say something”

“Wishing to be friends is quick work, but friendship is a slow ripening fruit.”

“Wit is educated insolence.”