emotional part growing out of the flesh, as from a root, and carrying along with it its quality and temperament. And that the body of man sympathizes with and is affected by the emotional impulses is proved by pallors, and blushings, and tremblings, and palpitations of the heart, as on the other hand by an all-pervading joy in the hope and expectation of pleasures. But whenever the mind is by itself and unmoved by passion, the body is in repose and at rest, having no participation or share in the working of the intellect, unless it involve the emotional, or the unreasoning element call it in. So that it is clear that there are two distinct parts of the soul differing from one another in their faculties. Sec. XII. And generally speaking of all existing things, as they themselves admit and is clear, some are governed by nature, some by habit, some by an unreasoning soul, some by a soul that has reason and intelligence. Man too participates in all this, and is subject to all those differences here mentioned, for he is affected by habit, and nourished by nature, and uses reason and intelligence. He has also a share of the unreasoning element, and has the principle of passion innate in him, not as a mere episode in his life but as a necessity, which ought not therefore to be entirely rooted out, but requires care and attention. For the function of reason is no Thracian or Lycurgean one to root up and destroy all the good elements in passion indiscriminately with the bad, but, as some genial and mild god, to prune what is wild, and to correct disproportion, and after that to train and cultivate the useful part. For as those who are afraid to get drunk do not pour on the ground their wine, _but mix it with water_, so those who are afraid of the disturbing element in passion do not eradicate passion altogether but temper it. Similarly with oxen and horses people try to restrain their mad bounds and restiveness, not their movements and powers of work, and so reason makes use of the passions when they have become tame and docile, not by cutting out the sinews or altogether mutilating the serviceable part of the soul. For as Pindar says, "The horse to the chariot, and the ox to the plough, while he that meditates destruction for the boar must find a staunch hound."[243] But much more useful than these are the whole tribe of passions when they wait on reason and run parallel to virtue. Thus moderate anger is useful to courage, and hatred of evil to uprightness, and righteous indignation against those who are fortunate beyond their deserts, when they are inflamed in their souls with folly and insolence and need a check. And no one if they wished could pluck away or sever[244] natural affection from friendship, or pity from philanthropy, or sympathy both in joy and grief from genuine goodwill. And if those err who wish to banish love because of erotic madness, neither are they right who blame all desire because of love of