May Water cleanse you, May Air teach you, May Fire drive you, May Earth be a foundation for you. From Avatar The Last Airbender. I already have the fire symbol on my foot. maybe I'll get the others too.
They are geometrical forms which are said to act as a template from which all life springs. They are named after the ancient Greek philosopher Plato. To the Greeks, these solids symbolized fire, earth, air, spirit (or ether) and water.