The greatest mistake physicians make is that they attempt to cure the body without attempting to cure the mind, yet the mind and the body are one and should not be treated separately!
The good are like one another, and friends to one another; and ... the bad, as is often said of them, are never at unity with one another or with themselves, but are passionate and restless: and that which is at variance and enmity with itself is not likely to be in union or harmony with any other thing.
The true musician is attuned to a fairer harmony than that of the lyre... for he truly has in his own life a harmony of words and deeds arranged in the Dorian mode. Such a one makes me joyous with the sound of his voice, so eager am I in drinking in his words.
A man who is good for anything ought not to calculate the chance of living or dying; he ought only to consider whether in doing anything he is doing right or wrong - acting the part of a good man or of a bad.
Poets do not compose their poems with knowledge, but by some inborn talent and by inspiration, like seers and prophets who also say many fine things without any understanding of what they say.
Those wretches who never have experienced the sweets of wisdom and virtue, but spend all their time in revels and debauches, sink downward day after day, and make their whole life one continued series of errors.