Hard upon hard does not make a good wall.
More Portuguese Proverbs:
If you want to be served, serve yourself.Portuguese
Layovers for meddlers.
Portuguese
Though the heron flied high the falcon kills it.
Portuguese
Better just repair the gutter than the whole house.
Portuguese
Give a hint to the man of sense, and consider the thing done.
Portuguese
An empty purse frights away friends.
Portuguese