He that sits among reeds, cuts pipes when he pleases.
More German Proverbs:
Don't cast your pearls before swine.German
Everybody says it, nobody knows it.
German
Truth will out.
German
Many look with one eye at what they give, but with seven at what they receive.
German
It is better to deal with a whole fool than half a fool.
German
It is bad baking without flour and water.
German