Foster a raven and it will peck out your eyes.
More Spanish Proverbs:
Don't bet more than you can afford to lose.Spanish
A child of a year old sucks milk from the heel.
Spanish
Conscience is what tells you not to do what you have just done.
Spanish
The earth hides as it takes, the physician's mistakes.
Spanish
The church, the sea, or the royal household, for whoever would thrive.
Spanish
You surrender your freedom where you deposit your secret.
Spanish