"Live unknown."

"The greatest good is to be free from troubles of the mind."

"The flesh receives as unlimited the limits of pleasure; and to provide it requires unlimited time. But the mind, intellectually grasping what the end and limit of the flesh is, and banishing the terro…"

"We must not violate nature, but obey her."

"It is not possible for one to rid himself of his fears about the most important matters if he does not understand the nature of the whole, but is still in doubt about some of the things that are said …"