The child of a rat is a rat.
More Malagasy Proverbs:
Better to be guilty in the eyes of men than in the eyes of God.Malagasy
Behave like the chameleon: look forward and observe behind.
Malagasy
Better to lose a little money than a little friendship.
Malagasy
Don't kick a sleeping dog.
Malagasy
Be like the mouth and the hand: when the hand is hurt the mouth blows on it, when the mouth is hurt the hand rubs it.
Malagasy
If it is not a boy it will be a girl, says the fortune-teller.
Malagasy