Lay your hand on your bosom and you will not speak ill of another.
More Portuguese Proverbs:
The rat does not leave the cat's house with a bellyful.Portuguese
A dull ass near home trots without the stick.
Portuguese
Grief for a dead wife lasts to the door.
Portuguese
Bite the biter.
Portuguese
Marry, marry, and what about the housekeeping.
Portuguese
Baskets after the vintage.
Portuguese