An old rat is a brave rat.
More French Proverbs:
A woman laughs when she can, and weeps when she pleases.French
He who goes to collect wool may come back shorn.
French
Love never dies of starvation, but often of indigestion.
French
Men's skins have many colors, but human blood is always red.
French
The threatener sometimes gets a beating.
French
There's virtue in a man's face.
French