“The joy of the mind is the measure of its strength.”
Other Ninon de Lenclos Quotes
Words really flattering are not those which we prepare but those which escape us unthinkingly.
Ninon de Lenclos 
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Feminine virtue is nothing but a convenient masculine invention.
Ninon de Lenclos
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It is strange that modesty is the rule for women when what they most value in men is boldness.
Ninon de Lenclos
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