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As a general statement, the same assertion may be made in regard to moral excellence that we Euripides, Hippolytus, 424. are in the habit of making in regard to the arts and sciences, namely, that there must be a concurrence of three things in order to produce perfectly right action, and these are: nature, reason, and habit. By reason I mean the act of learning, and by habit constant practice. The first beginnings come from nature, advancement from learning, the practical use from continued repetition, and the culmination from all combined; but so far as any one of these is wanting, the moral excellence must, to this extent, be crippled. For nature without learning is a blind thing, and learning without nature is an imperfect thing, and practice without both is an ineffective thing. Just as in farming, first of all the soil must be good, secondly, the husbandman skilful, and thirdly, the seed sound, so, after the same manner, nature is like to the soil, the teacher to the farmer, and the verbal counsels and precepts like to the seed. I should strenuously insist that all three qualities met together and formed a perfect union in the souls of those men who are celebrated among all mankind,—Pythagoras, Socrates, Plato, and all who have attained an ever-living fame.