You cannot shear the sheep closer than the skin.
More Danish Proverbs:
Rust consumes iron and envy consumes itself.Danish
He who wants to jump high must take a long run.
Danish
Act so in the valley, that you need not fear those who stand on the hill.
Danish
More people are slain by supper than by the sword.
Danish
He who abuses others must not be particular about the answer he gets.
Danish
Kill no more than you can salt, or you will have tainted meat.
Danish