He who has a mind to do mischief will always find a pretense.
It is of no profit to have learned well, if you neglect to do well.
All powerful is the rule of fashion.
Little does the sick man consult his own interests, who makes his physician his heir.
It is sometimes expedient to forget what you know.
When a woman is undisguisedly bad, then indeed she is good. [Comparatively speaking, as she at least lacks deception.]