Vipers breed vipers.
More Danish Proverbs:
Better walk unshackled in a green meadow, than be bound to a thorn-brush.Danish
Keep your nose to the grindstone.
Danish
Late repentance is seldom worth much.
Danish
Better cross an angry man than a fasting man.
Danish
Slander expires at a good woman's door.
Danish
It is easy to be generous with another man's money.
Danish