You can only take out of a bag what was already in it.
More Brazilian Proverbs:
God writes straight even on wavy lines.Brazilian
In the house of a blacksmith the ornaments are made of wood.
Brazilian
The earth is not thirsty for the blood of the warriors but for the sweat of man's labor.
Brazilian
Poverty is not a crime, but it's better not to show it.
Brazilian
Love is blind, so you have to feel your way.
Brazilian