Pyramids are solar bodies due to their square base (physical-vital, astral, mental, and causal). The illuminated eye is divine omniscience, polyvoyance, spiritual insight, the eye of Dangma, the perception that grants us access to the superior worlds, etc.
For thirty years I sought God. But when I looked carefully I found that in reality God was the seeker and I the sought. -Bayazid al-Bastami