The Sator Square or The Rotas-Sator Square.
From Wikipedia: The most direct sentence translation is: “The sower (or, farmer) Arepo holds the wheels with care (or, with care the wheels)”.[1][10][14][4][17] Similar translations include: “The farmer Arepo works his wheels”,[18] or “Arepo the sower (sator) guides (tenet) the wheel (rotas) with skill (opera)”.[19]
