He who would seek revenge must be on his own guard.
More Danish Proverbs:
A greedy mill grinds all kinds of corn.Danish
Every tub must stand on its own bottom.
Danish
It is hard to glean after a niggardly husbandman.
Danish
A rich wife is a source of quarrel.
Danish
He who feeds a wolf, strengthens his enemy.
Danish
If the beard were all, the goat might preach.
Danish