A dog that barks much is never a good hunter.
More Traditional Proverbs:
A narrow mind and a wide mouth usually go together.Traditional
That's another story.
Traditional
He who has come through the fire will not fade in the sun.
Traditional
Many talk like philosophers yet live like fools.
Traditional
The palest ink lasts longer than the most retentive memory.
Traditional
It pays to be honest, but it's slow pay
Traditional