That's exactly right. The original is "vaca de dos amos: ni da leche, ni come grano" (it rhymes as these things often do). Castilian proverbs are neat ("Refrane

That's exactly right. The original is "vaca de dos amos: ni da leche, ni come grano" (it rhymes as these things often do). Castilian proverbs are neat ("Refranero castellano"). Centuries packed into short sentences