When the sow is satisfied she throws the trough away.
More German Proverbs:
The oldest trees often bear the sweetest fruit.German
Sorrow does not pay any debts.
German
An old broom knows the corners of the house.
German
What Master Jacky does not learn, Mr. John never knows.
German
Dear physic always does good, if not to the patient, at least to the apothecary.
German
Fortune and misfortune are two buckets in the same well.
German