Lose no rights, and commit no extortions.
More Spanish Proverbs:
Copper begets copper, and not (the labour of) men's bones.Spanish
Right overstrained turns to wrong.
Spanish
Between two Saturdays happen many marvels.
Spanish
Where friars abound keep your eyes open.
Spanish
To find oneself in tight breeches. (Ill at ease--we say in tight boots.)
Spanish
He who always tells me a lie never cheats me.
Spanish