"All who do evil and dishonorable things do them against their will."

"The learning and knowledge that we have, is, at the most, but little compared with that of which we are ignorant."

"Man is a being in search of meaning."

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

"I have good hope that there is something after death."

"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."

"There are three arts which are concerned with all things. One which uses, another which makes, and a third which imitates them."

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

"Nothing can be more absurd than the practice that prevails in our country of men and women not following the same pursuits with all their strengths and with one mind, for thus, the state instead of being whole is reduced to half."

"Philosophy is an elegant thing, if anyone modestly meddles with it, but if they are conversant with it more than is becoming, it corrupts them."