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Those who are far-sighted are safe, and those who are careless are in danger.

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You should not be happy about things without joy, and you should not be angry about things without anger.

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Prevent treachery and use politics, eliminate extravagance and use frugality.

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There is no way to learn without tranquility.

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To learn, one must have ambition and talent must learn. Without learning, there is no way to expand talents; without ambition, there is no way to achieve learning.

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Snobbish acquaintances are difficult to keep for a long time.