A barking dog was never a good hunter.
More Portuguese Proverbs:
No one has seen to-morrow.Portuguese
Every one is a king in his own house.
Portuguese
Though the heron flied high the falcon kills it.
Portuguese
Better be one-eyed than quite blind.
Portuguese
Be sure not to owe anything to the rich, and don't lend anything to the poor.
Portuguese
More grows in a garden than the gardener sows there.
Portuguese