Money lent, an enemy made.
More Portuguese Proverbs:
Every man to his trade.Portuguese
Let every man look to the bread upon which he must depend.
Portuguese
A bad neighbor will give you a needle with no thread.
Portuguese
Crows do not peck out crow's eyes.
Portuguese
Eat to live, not live to eat.
Portuguese
He should not complain of being cheated who buys the cloth by the sample.
Portuguese