We do not know what is good until we have lost it.
More Spanish Proverbs:
A hangman is a good trade, he doth his work by daylight.Spanish
Elm trees have beautiful branches but hardly ever bear fruit.
Spanish
So yourself be good, a fig for your grandfather.
Spanish
Throw that bone to another dog.
Spanish
A mute bird makes no omen.
Spanish
Good is the fowl which another rears.
Spanish