He that lies down with the dogs, will get up with fleas.
More Danish Proverbs:
Every one rakes the fire under his own pot.Danish
Wolves are often hidden under sheep's clothing.
Danish
Govern a horse with a bit, and a shrew with a stick.
Danish
He must have iron fingers who would flay the devil.
Danish
Want and necessity break faith and oaths.
Danish
A customary railer is the devil's bagpipe, which the world danceth after.
Danish