A silver hammer can open an iron gate.
More Basque Proverbs:
Old bachelors and old maids are either too good or too bad.Basque
My skin is closer to me than my shirt is.
Basque
The hand of the stranger is heavy.
Basque
There is no point in offering a helping hand to someone who wants to drown.
Basque
Honey is bitter for a sore mouth.
Basque
The needle dresses people but stays naked itself.
Basque