A hook’s well lost to catch a salmon.
More French Proverbs:
That day is lost on which one has not laughed.French
God save you from a man who has but one business.
French
After us the deluge.
French
One never goes so far as when one don't know whither one is going.
French
Too much scratching smarts, too much talking harms.
French
A man who wants to drown his dog says he is mad.
French