"O wretched man, wretched not just because of what you are, but also because you do not know how wretched you are!"

"To some extent I liken slavery to death."

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

"That last day does not bring extinction to us, but change of place."

"The life of the dead is placed in the memory of the living."

"For how many things, which for our own sake we should never do, do we perform for the sake of our friends."

"The precepts of the law are these: to live honestly, to injure no one, and to give everyone else his due."

"In honorable dealing you should consider what you intended, not what you said or thought."

"The face is a picture of the mind with the eyes as its interpreter."

"Even if you have nothing to write, write and say so."

"To study philosophy is nothing but to prepare one's self to die."

"Man is his own worst enemy."

"We are motivated by a keen desire for praise, and the better a man is the more he is inspired by glory. The very philosophers themselves, even in those books which they write in contempt of glory, inscribe their names."

"The pursuit, even of the best things, ought to be calm and tranquil."

"In a republic this rule ought to be observed: that the majority should not have the predominant power."

"A home without books is a body without soul."

"Those wars are unjust which are undertaken without provocation. For only a war waged for revenge or defense can be just."

"We are in bondage to the law in order that we may be free."

"Let us not listen to those who think we ought to be angry with our enemies, and who believe this to be great and manly. Nothing is so praiseworthy, nothing so clearly shows a great and noble soul, as clemency and readiness to forgive."

"What one has one ought to use and whatever he does he should do with all his might."

"Brevity is a great charm of eloquence."

"There is nothing so absurd that some philosopher has not already said it."

"But if I am wrong in thinking the human soul immortal, I am glad to be wrong; nor will I allow the mistake which gives me so much pleasure to be wrested from me as long as I live."

"Frivolity is inborn, conceit acquired by education."

"True glory takes root, and even spreads; all false pretences, like flowers, fall to the ground; nor can any counterfeit last long."

"Memory is the treasury and guardian of all things."

"Nature has planted in our minds an insatiable longing to see the truth."

"The greatest pleasures are only narrowly separated from disgust."

"Liberty is rendered even more precious by the recollection of servitude."

"To live is to think."

"You will be as much value to others as you have been to yourself."

"The eyes like sentinel occupy the highest place in the body."

"Though silence is not necessarily an admission, it is not a denial, either."

"It is foolish to tear one's hair in grief, as though sorrow would be made less by baldness."

"A man's own manner and character is what most becomes him."

"Friendship improves happiness and abates misery, by the doubling of our joy and the dividing of our grief."

"The function of wisdom is to discriminate between good and evil."

"Nothing is so unbelievable that oratory cannot make it acceptable."

"Reason is the mistress and queen of all things."

"If you pursue good with labor, the labor passes away but the good remains; if you pursue evil with pleasure, the pleasure passes away and the evil remains."