If the servant grows rich and the master poor, they are both good for nothing.
More German Proverbs:
Better a living dog than a dead lion.German
Once a thief, always a thief.
German
What's sauce for the goose is sauce for the gander.
German
One should be born either a king or a fool.
German
No tree falls at the first stroke.
German
He who wipes the child's nose, means to kiss the mother's cheek.
German