The used key is always bright.
More Danish Proverbs:
We must sow even after a bad harvest.Danish
Do not judge the dog by his hairs.
Danish
Better a daughter that has been slept on than a son who has been hanged.
Danish
Silver and gold are all men's dears.
Danish
Wise men do not quarrel with each other.
Danish
It is best to be off with the old love before you are on with the new.
Danish