When the kitchenmaids are together the roast burns.
More French Proverbs:
Mistrust is the mother of certainty.French
Love does wonders, but money makes marriages.
French
Horses for courses.
French
The fox says of the mulberries when he cannot get at them; they are not good at all.
French
He is the devil's valet, he does more that he is ordered.
French
A man without money is like a wolf without teeth.
French