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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  Wisdom is the daughter of experience.

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

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  The first opinion which one forms of a prince, and of his understanding, is by observing the men he has around him.

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  The mind of a master does not stop on any one thing, even for an instant.

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  Act without letting your mind be captured by thinking about every move.

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  Do nothing which is of no use.

All quotes