Don’t refuse a wing to the one who gave you the chicken.
More Spanish Proverbs:
Whilst the tall maid is stooping, the little one sweeps the house.Spanish
Welcome, misfortune, if you come alone.
Spanish
He who lives in hopes, breakfasts ill and sups worse.
Spanish
He that eats his fowl alone may saddle his horse alone.
Spanish
The fertile field becomes sterile without rest.
Spanish
He is out of danger who rings the alarm-bell.
Spanish