Do not wade where you can see no bottom.
More Danish Proverbs:
A tottering man must lean upon a staff.Danish
Better a salt herring on your own table, than a fresh pike on another man's.
Danish
Speak little of your ill luck, and boast not of your good luck.
Danish
The forest has ears, and field has eyes.
Danish
He who strikes another on the neck, does not strike far from the head.
Danish
He who waits for dead men's shoes, may have to go long barefoot.
Danish