Let not him that has a mouth ask another to blow.
More Portuguese Proverbs:
A word and a blow.Portuguese
The blunders of physicians are covered by the earth.
Portuguese
A friend is to be taken with his faults.
Portuguese
A gossiping woman talks of everybody, and everybody of her.
Portuguese
To promise much means giving little.
Portuguese
Don't make yourself poor to one who won't make you rich.
Portuguese