Those who are not schooled ...

Those who are not schooled and practised in truth [who are not honest and upright men] can never manage aright the government, nor yet can those who spend their lives as closet philosophers; because the former have no high purpose to guide their actions, while the latter keep aloof from public life.
Those who are not schooled and practised in truth [who are not honest and upright men] can never manage aright the government, nor yet can those who spend their lives as closet philosophers; because the former have no high purpose to guide their actions, while the latter keep aloof from public life.
 Plato

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Love is a serious mental disease.
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The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom.
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Good actions give strength to ourselves and inspire good actions in others.
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Cunning... is but the low mimic of wisdom.
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A good decision is based on knowledge and not on numbers.
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 Plato