Necessity makes the frog jump.
More Portuguese Proverbs:
For lack of men they made my father a justice.Portuguese
A good word quenches more than a cauldron of water.
Portuguese
Walls sink and dunghills rise.
Portuguese
Eat the wind and swallow bitterness.
Portuguese
A friend is to be taken with his faults.
Portuguese
As they pipe to me, I will dance.
Portuguese