This design has recently been made popular by the TV show "Charmed", where it appears on the cover of the Book of Shadows. The number three was significant to the early Celts, who used it to represent the three-fold nature of the Goddess (Maiden, Mother, and Crone), or the Christian Trinity (Father, Son, and Holy Ghost).
Quote of the moment: If the representatives of the people betray their constituents, there is then no recourse left but in the exertion of that original right of self-defense.... Alexander Hamilton, The Federalist, No.28
