Ask for advice, and then use your brain.
More Norwegian Proverbs:
A little thing can ruin the whole thing.Norwegian
What's good is often forgotten; what's bad is often hidden.
Norwegian
Poor thanks is the way of the world.
Norwegian
It's too late to close the stable door after the horse has escaped.
Norwegian
Given counsel is all the same hard to take.
Norwegian
Good fortune is loaned, not owned.
Norwegian