To change and to improve are two different things.
More German Proverbs:
Everything would be well were there not a "but."German
Fair hair may hae foul roots.
German
Running and buying don't go together -- running and selling do.
German
Running and buying don't go together -- running and selling do.
German
To change and change for the better are two different things.
German
Old birds are hard to pluck.
German