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Knowing yourself is the beginning of all wisdom.

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It is a part of probability that many improbabilities will happen.

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There is only one way to avoid criticism: do nothing, say nothing, and be nothing.

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Young people are in a condition like permanent intoxication, because life is sweet and they are growing.

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Hope is a waking dream.

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Good habits formed at youth make all the difference.

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Youth is easily deceived because it is quick to hope.

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Bashfulness is an ornament to youth, but a reproach to old age.

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It is the mark of an educated mind to be able to entertain a thought without accepting it.

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Hence a young man is not a proper hearer of lectures on political science; for he is inexperienced in the actions that occur in life, but its discussi...more

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The happy life is thought to be one of excellence; now an excellent life requires exertion, and does not consist in amusement. If Eudaimonia, or happi...more

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The pleasures arising from thinking and learning will make us think and learn all the more. 1153a 23