One can never know too much.
More Spanish Proverbs:
Not all things have to be scrutinized, nor all friends tested, not all enemies exposed and denounced.Spanish
With bread and wine you can walk your road.
Spanish
Fox's broth, cold and scalding.
Spanish
The full-fed cow makes company of her tail.
Spanish
Drink wine upon figs.
Spanish
The patient who names a doctor his heir makes a big mistake.
Spanish