Under a good cloak may be a bad man.
More Spanish Proverbs:
Wit's never bought till it's paid for.Spanish
Advise no one to go to war or to marry.
Spanish
Every cock is proud on his own dung hill.
Spanish
They took away the mirror from me because I was ugly, and gave it to the blind woman.
Spanish
He that is not gallant at twenty, strong at thirty, rich at forty, or experienced at fifty, will never be gallant, strong, rich, or prudent.
Spanish
The day you marry, it is either kill or cure.
Spanish