The cow does not lick a strange calf.
More German Proverbs:
Early to rise and late to bed, lifts again the debtor's head.German
A fence lasts three years, a dog lasts three fences, a horse three dogs, and a man three horses.
German
One cannot love and be wise.
German
What's sauce for the goose is sauce for the gander.
German
Don't fly till your wings are feathered.
German
Too much will soon break.
German