Wisdom is the daughter of experience.

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  Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigour of the mind.

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  As a well-spent day brings happy sleep, so a life well spent brings happy death.

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  Live among men as if God beheld you; speak with God as if men were listening.

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  The longer I know the joys of this world, the less I value them.

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  To understand the world, one must sometimes turn away from it.

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  There are more things to admire in men than to despise.

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