He who handles pitch, besmears himself.
More German Proverbs:
A wise man, a strong man.German
Peacock, look at your legs.
German
Nature teaches us to love our friends, but religion our enemies.
German
Summer sown corn and women's advice turn out once in every seven years.
German
It is a bad horse that does not earn his fodder.
German
Rejoiced in youth, repented in age.
German