Fig. 20. Zeus holding a thunderbolt (a); thirdcentury B.C.E. coin with the image of a thunderbolt (b)
Fig. 21. A fulgurite Fulgurites were symbolic to ancient peoples in that they represented the coming together of universal forces, the sky (yang) meeting the earth (yin). This process can be duplicated inside our body through a combination of meditation and breathing exercises; this is what the seekers who developed the Vajrayana, or “Thunderbolt Path,” stumbled upon. By causing the two opposing universal forces to meet and coexist, an impermeable “something” not subject to entropy is generated (hence