And number 33 is tied to the secret of the Egyptian pyramids in chapter 33 of the Wisdom of Sirach and also represents the spine with 33 vertabraes for the proper functioning of the nervous system is important to have a healthy spine through the spine from the bottom we receive energy from the Earth and from the top of head we receive the energy of Sun (R) (Ra) which means that light runs through our nerves especially trough spine and bottom and top energy connect in the region of Heart which is represented by the symbol of Davids Star.