"Friends have all things in common."

"In practice people who study philosophy too long become very odd birds, not to say thoroughly vicious; while even those who are the best of them are reduced by. philosophy to complete uselessness as members of society."

"It is a common saying, and in everybody's mouth, that life is but a sojourn. The learning and knowledge that we have, is, at the most, but little compared with that of which we are ignorant."

"As it is, the lover of inquiry must follow his beloved wherever it may lead him."

"Complacent ignorance is the most lethal sickness of the soul."

"Think only of the ambition of men, and you will wonder at the senselessness of their ways, unless you consider how they are stirred by the love of an immortality of fame. They are ready to run all risks greater far than they would have run for their children, and to spend money and undergo any sort of toil, and even to die, for the sake of leaving behind them a name which shall be eternal."

"Let nobody speak mischief of anybody."

"For all good and evil, whether in the body or in human nature, originates in the soul, and overflows from thence, as from the head into the eyes."

"I used to imagine that no human can make men good; but I know better now."

"Lack of activity destroys the good condition of every human being."

"I exhort you also to take part in the great combat, which is the combat of life, and greater than every other earthly conflict."

"In order for man to succeed in life, God provided him with two means, education and physical activity. Not separately, one for the soul and the other for the body, but for the two together. With these means, man can attain perfection."

"The constrained performance of bodily labour does, it is true, exert no evil influence on the body; but in the case of the mind, no study, pursued under compulsion, remains rooted in the memory."

"I must distinguish between that which always is and never becomes and which is apprehended by reason and reflection, and that which always becomes and never is and is conceived by opinion with the help of sense."

"The matter is as it is in all other cases: If it is naturally in you to be a good orator, a notable orator you will be when you have acquired knowledge and practice.,."

"Beholding beauty with the eye of the mind, he will be enabled to bring forth, not images of beauty, but realities (for he has hold not of an image but of a reality), and bringing forth and nourishing true virtue to become the friend of God and be immortal, if mortal man may."

"The purpose of education is to give to the body and to the soul all the beauty and all the perfection of which they are capable."

"I don't think we shall quarrel about a word the subject of our inquiry is too important for that."

"The harder you work, the luckier you get."

"The wise man will want to be ever with him who is better than himself."