He who would catch fish, must not mind getting wet.
More Portuguese Proverbs:
Be sure not to owe anything to the rich, and don't lend anything to the poor.Portuguese
To sell honey to one who keeps hives.
Portuguese
Give a grateful man more than he asks.
Portuguese
If you have a friend who is a doctor, then send him to your enemy's house.
Portuguese
Pretend to be dead and the bull will leave you alone.
Portuguese
Though we may pluck flowers by the way we may not sleep among flowers.
Portuguese