Difficulties can make the person mind strong, as industry can make the person body is strong.

困难会使人心智坚强，一如勤劳会使人身躯强壮。

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A strong mind needs a strong body in order to make it useful.

一个强的头脑需要一个坚强的身体为了使它有用。

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Strong in mind, strong in body and strong in spirit.

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The opposite of a clear mind and strong body is not pretty.

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My experience teaches me that, if one learns to follow this plan, he gets a freshness of body and vigour of mind out of work that goes a long way toward keeping him strong and healthy.

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