"I am not ashamed to confess that I am ignorant of what I do not know."

"What gift has providence bestowed on man that is so dear to him as his children?"

"Great is our admiration of the orator who speaks with fluency and discretion."

"Rightly defined philosophy is simply the love of wisdom."

"Old age: the crown of life, our play's last act."

"Nature abhors annihilation."

"Ability without honor is useless."

"Nobody can give you wiser advice than yourself."

"What an ugly beast the ape, and how like us."

"For it is commonly said: accomplished labours are pleasant."

"The magistrates are the ministers for the laws, the judges their interpreters, the rest of us are servants of the law, that we all may be free."

"According to the law of nature it is only fair that no one should become richer through damages and injuries suffered by another."

"What sweetness is left in life, if you take away friendship? Robbing life of friendship is like robbing the world of the sun. A true friend is more to be esteemed than kinsfolk."

"Every man can tell how many goats or sheep he possesses, but not how many friends."

"While there's life, there's hope."

"This is the truth: as from a fire aflame thousands of sparks come forth, even so from the Creator an infinity of beings have life and to him return again."

"Honor is the reward of virtue."

"Time obliterates the fictions of opinion and confirms the decisions of nature."

"No man in his senses will dance."

"My dear Scipio and Laelius. Men, of course, who have no resources in themselves for securing a good and happy life find every age burdensome. But those who look for all happiness from within can never think anything bad which Nature makes inevitable."

"Great is the power of habit. It teaches us to bear fatigue and to despise wounds and pain."

"We must stand up against old age and make up for its drawbacks by taking pains. We must fight it as we should an illness. We must look after our health, use moderate exercise, take just enough food and drink to recruit, but not to overload, our strength. Nor is it the body alone that must be supported, but the intellect and soul much more."

"To live long it is necessary to live slowly."

"True nobility is exempt from fear."

"A happy life consists in tranquility of mind."

"Nothing common can seem worthy of you."

"No one could ever meet death for his country without the hope of immortality."

"The higher we are placed, the more humbly we should walk."

"Live as brave men; and if fortune is adverse, front its blows with brave hearts."

"Times are bad. Children no longer obey their parents, and everyone is writing a book."

"O philosophy, life's guide! O searcher-out of virtue and expeller of vices! What could we and every age of men have been without thee? Thou hast produced cities; thou hast called men scattered about into the social enjoyment of life."

"Laws are silent in time of war."

"Friendship was given by nature to be an assistant to virtue not a companion in vice."

"The study and knowledge of the universe would somehow be lame and defective were no practical results to follow."

"There is no grief which time does not lessen and soften."

"Our character is not so much the product of race and heredity as of those circumstances by which nature forms our habits, by which we are nurtured and live."

"In so far as the mind is stronger than the body, so are the ills contracted by the mind more severe than those contracted by the body."

"I never admire another's fortune so much that I became dissatisfied with my own."

"Rashness belongs to youth; prudence to old age."

"I add this, that rational ability without education has oftener raised man to glory and virtue, than education without natural ability."

"Peace is liberty in tranquillity."

"Hatred is settled anger."

"To be ignorant of what occurred before you were born is to remain always a child. For what is the worth of human life, unless it is woven into the life of ancestors' by the records of history?"

"The more laws, the less justice."

"No one can give you better advice than yourself."

"Religion is not removed by removing superstition."

"Freedom is a man's natural power of doing what he pleases, so far as he is not prevented by force or law."

"Love is the attempt to form a friendship inspired by beauty."

"People do not understand what a great revenue economy is."

"The authority of those who teach is often an obstacle to those who want to learn."