The more you stir it the worse it stinks.
More French Proverbs:
An army marches on its stomach.French
A pleasant companion on a journey is as good as a postchaise.
French
No wind is of service to him that is bound for nowhere.
French
The higher the ape climbs the more he shows his rump.
French
The stronger the seam the worse the rent.
French
Great talkers, little doers.
French