It would seem, then, that the detail is worked out with more
precision if the control is private; for each person is more likely to
get what suits his case.
But the details can be best looked after, one by one, by a doctor or
gymnastic instructor or any one else who has the general knowledge
of what is good for every one or for people of a certain kind (for the
sciences both are said to be, and are, concerned with what is
universal); not but what some particular detail may perhaps be well
looked after by an unscientific person, if he has studied accurately
in the light of experience what happens in each case, just as some
people seem to be their own best doctors, though they could give no
help to any one else. None the less, it will perhaps be agreed that if
a man does wish to become master of an art or science he must go to
the universal, and come to know it as well as possible; for, as we
have said, it is with this that the sciences are concerned.
And surely he who wants to make men, whether many or few, better
by his care must try to become capable of legislating, if it is
through laws that we can become good. For to get any one
whatever-any one who is put before us-into the right condition is
not for the first chance comer; if any one can do it, it is the man
who knows, just as in medicine and all other matters which give
scope for care and prudence.
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