The fox can lose his fur but not his cunning.
More Corsican Proverbs:
Words have no bones, but can break bones.Corsican
This basket that leaves and returns unfilled is not nice.
Corsican
He who bends over too far shows his rear end.
Corsican
Long live the headdress, because hats come and go.
Corsican
When Christ disappears, light goes out.
Corsican