He who begins much, finishes little.
More German Proverbs:
Not too little, not too much.German
The devil is never so black as he is painted.
German
Except for the night, we could never know the stars.
German
Revenge in cold blood is the devil's own act and deed.
German
He who is his own teacher, has a fool for his pupil.
German
A bolt does not always fall when it thunders.
German