He who sows brambles reaps thorns.
More Spanish Proverbs:
Insults should be well avenged or well endured.Spanish
Where God has his church the Devil will have his chapel.
Spanish
Visit your aunt, but not every day of the year.
Spanish
A grain does not fill a sieve, but it helps its fellow.
Spanish
He who knows nothing is as blind as him who cannot see.
Spanish
An ounce of blood is worth more than a pound of friendship.
Spanish