Shut your mouth and you’ll catch no flies.
More Portuguese Proverbs:
A man of straw is better than a woman of gold.Portuguese
Every one to his equal.
Portuguese
He made me mad. To see him shine so brisk and smell so sweet.
Portuguese
Where there is no fire, no smoke rises.
Portuguese
Gambling sire, gambling son.
Portuguese
Of the good man a good pledge, and of the bad neither pledge nor surety.
Portuguese