“But for heaven’s sake — you’re wizards!  You can do magic!  Surely you can sort out — well — anything!”

Scrimgeour turned slowly on the spot and exchanged an incredulous look with Fudge, who really did manage a smile this time as he said kindly, “The trouble is, the other side can do magic too, Prime Minister.”

Harry Potter and the Half-Blood Prince – J. K. Rowling