I'm not saying the spiral came from the Pythagoreans. I'm saying a lot of occult symbolism was derived from them, especially the Freemason symbolism. Like this: https://images-na.ssl-images-amazon.com/images/I/61BcU49S%2BML._UY575_.jpg Compare to this: http://www.freemasons-freemasonry.com/Eunveiled01.jpg It was a Pythagorean who used the obelisk that stands in front of the Vatican, today, to measure the circumference of the earth with a high degree of accuracy. His name was Eratosthenes. The obelisk was important to the Pythagoreans and it is still so important it stands today... in the middle of the Pedo Capital of the world. Here are more examples of spirals in the ancient world: https://www.tainoage.com/spirals.html Here is an article about the spiral as an ancient symbol and how it applies to Jung and his idea of archetypal knowledge: https://medium.com/@geoffjward/the-spiral-the-eternal-sign-of-the-creative-and-organising-principle-at-work-in-the-universe-8889ba092300 > The one at the Tor may have been constructed as long as 5,000 years ago, according to certain estimates. Pilgrims would have entered the maze part way up the side of the hill and travelled first in a clockwise, then in an anti-clockwise, direction making their way to the holy summit, possibly by means of seven full circuits, absorbing the energy of the natural ‘power station’ as they went. http://www.ancientpages.com/2016/03/11/secrets-of-the-spiral-symbol-left-by-ancient-civilizations/ >Secrets Of The Spiral Symbol Left By Ancient Civilizations: It’s also the same geometrical design that can be found in photographs of many galaxies.