It is fair and just to cheat the cheater.
More Spanish Proverbs:
Since we have loaves let us not look for cakes.Spanish
There is little use in watching a bad woman.
Spanish
Health and cheerfulness make beauty; finery and cosmetics cost money and lie.
Spanish
A bespattered hog tries to bespatter another.
Spanish
When they give you the calf, be ready with the halter.
Spanish
The old for want of ability, and the young for want of knowledge, let things be lost.
Spanish