Μάθε τέχνη κι άσ' την, κι όταν πεινάσεις πιάσ' την.

“Learn a craft and set it aside; when you are hungry, take it up again.”

A skill once learned is never wasted and can support you again whenever it is needed.

— Traditional Greece Wisdom, Greece

Source: Traditional Greek proverb, public-domain oral tradition