A blind hen can sometimes find her corn.
More French Proverbs:
No one will get a bargain he does not ask for.French
Spit not in the well, you may have to drink its water.
French
Good land should not be quitted for a bad landlord.
French
In your own company no one is boss.
French
Fouls invent fashions and wise men follow them.
French
Who serves the mass is thanked by none, but cursed if aught left undone.
French