A thankless man never does a thankful deed.
More Danish Proverbs:
He who wills the end, wills the means.Danish
A willing helper does not wait until he is asked.
Danish
Many love to praise right and do wrong.
Danish
A cross-grained woman and a snappish dog take care of the house.
Danish
One word beforehand is better than ten afterwards.
Danish
One mangy sheep spoils a whole flock.
Danish