If you take on a part above your strength, you both disgrace yourself in it and neglect the one you could have filled.

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  In every act observe the things which come first and those which follow it, and so proceed to the act.

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  First say to yourself what you would be; and then do what you have to do.

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  Do not spend too much time on the body; let your chief care be the mind.

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  Behave as at a banquet: take what is offered to you, and do not reach out for what has not yet come.

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  Take care of what you have been given as of something entrusted to you, not as something that is yours forever.

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  Do not call yourself a philosopher; show your principles by your actions.

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