»Aber was tut ein Zaubereiministerium?« — »Nun, seine Hauptaufgabe ist, vor den Muggels geheim zu halten, dass es landauf, landab immer noch Hexen und Zauberer gibt.«
rough back-translation:
“But what does a Ministry of Magic do?” — “Well, its main task is to keep the muggles from learning that there are still witches and wizards all over the country.”
Here’s the quote from chapter 5, too:
rough back-translation:
Thanks again, that is all very clear, in either language. I have edited my wrong comment.