A galled horse will not endure the comb.
More French Proverbs:
God is on the side of the strongest battalions.French
One grows used to love and to fire.
French
So many men, so many minds.
French
John has been to school to learn to be a fool.
French
At the wars as they do at the wars.
French
Riches serve a wise man, but command a fool.
French