Howling makes the wolf bigger than he really is.
More German Proverbs:
Neutrals tread on eggs and break none.German
To claim is not to prove.
German
Debtors are liars.
German
Good faith is a seldom guest, when you have him, hold him fast.
German
Every one is wise after the event.
German
Make yourself an ass, and you'll have every man's sack on your shoulders.
German