For good nurture and education implant good constitutions.

And tell him it's quite true that the best of the philosophers are of no use to their fellows; but that he should blame, not the philosophers, but those who fail to make use of them.

Each man is capable of doing one thing well. If he attempts several, he will fail to achieve distinction in any.

You ought not to heal the body without the soul, for this is the great error of our day in treating the human body.

Virtue is a kind of health, beauty and good habit of the soul.

In heaven there is laid up a pattern which he who chooses may behold, and beholding, set his own house in order. The time has now arrived at which they must raise the eye of the soul to the Universal Light which lightens all things. With the eye ever directed toward things fixed and immutable which neither injure nor are injured - these they cannot help imitating. But I quite admit the difficulty of believing that in every man there is an eye of the soul which by the right direction is re-illumined, and is more precious far than ten thousand bodily eyes.

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