Eat, drink and be merry for tomorrow we die.
It means do what you want because you never know what will happen tomorrow.
Eat all you want, drink what you want, be as merry as you can, because tomorrow is not a guarentee.
A beber y a tragar, que el mundo se va a acabar
Other Proverbs
Donde fueres, haz lo que vieres
En tierra de ciegos el tuerto es rey
A quien Dios se la dé, San Pedro se la bendiga
El que ríe el último, ríe mejor