If a man comes to the door of poetry untouched by the madness of the Muses, believing that technique alone will make him a good poet, he and his sane compositions never reach perfection, but are utterly eclipsed by the performances of the inspired madman.

It is possible that a man could live twice as long if he didn't spend the first half of his life acquiring habits that shortens the other half

There is no illness of the body except for the mind

Either I do not corrupt the young or, if I do, it is unwillingly.

Just as you ought not to attempt to cure eyes without head or head without body, so you should not treat body without soul.

Why should we pay so much attention to what the majority thinks?

The body cannot be cured without regard for the soul.