Theorem C. (The Solar Boat of Re)
Leonardo da Vinci painted the Eye in the Sky to symbolize the Solar Boat of Re.
Image 31. Pentagrams and pentagons converging into the Eye in the Sky
Leonardo painted the golden gnomon at the crux of the Mona Lisa to form the apex of the pentagon, whose base is on the top edge of the painting. If we draw the pentagrams converging inside the pentagon, they will converge into the Eye in the Sky. Drawing the pentagon proves that Leonardo painted the Eye in the Sky to symbolize the Solar Boat of Re (the Right Eye of the Horus the Elder).
Mario Livio explains how the Pythagorean interest in the Golden Ratio started with the infinite series of nested pentagons and pentagrams (Livio, 2002, pp. 34-35 and 206). This is exactly the same idea that presented by Leonardo da Vinci in Image 31. Would this then mean that Leonardo da Vinci was Pythagorean? It surely does. Those so-called conspiracy theories claiming that Leonardo da Vinci was a member of certain secret societies, are, at least in this respect, true.
The Pythagoreans used the pentagram (the five-pointed star) as the symbol of their brotherhood and also called it ‘health’ (Livio, 2002, p. 34). The word Health is also linked to the eye (notice the Eye in the Sky in Image 31) by Jesus in the Sermon on the Mount, where he states: “The eye is the lamp of the body. If your eyes are healthy, your whole body will be full of light.” (Matthew 6:22) Concerning this symbolism, it is possible to understand that “the healthy eye(s)” refers to the Right Eye of Horus the Elder in Ancient Egyptian Scripture. This is a case of truly complex symbolism, which Leonardo seems to reign.24
24 Someone might also say that the true all-seeing eye is both eyes of Horus the Elder put together – the eye of Knowledge and the eye of Soul and Life.