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);
Hala ere, banako bakoitzaz hobeto arduratu ahal izango du unibertsala ezagutzen duen sendagileak, gimnastikaren maisuak edo beste edozeinek, hau da, guztientzat edo horrelakoak direnentzat onuragarria zer den dakienak (esaten baita zientziak orokorra denarenak direla, eta horrelakoak dira);