Why the serpent was considered sacred at Chichen Itza?
Answers from Master Samael Aun Weor.
"Continuously, the body of the Serpent in the cultures of Anahuac is modified by an unusual action that imprints a radical change to its original nature. Whether the double head that clearly reminds the figure in a circle, in that gnostic trance of devouring its own tail, which is an extraordinary synthesis of the wonderful message of the Lord Quetzalcoatl; or the vertical position that illustrates the Maya or Nahuatl idea of the divine viper devouring the soul and the spirit of man or, in short, the sexual flames consuming the animal Ego, annihilating it, reducing it to ashes. "
Samael Aun Weor. Excerpt from the book: The Secret Doctrine of Anahuac.
Answers from the book "The Wisdom of Quetzalcóatl"
It has the same two feathered serpents, representing the two columns of the Temple of Solomon: Jakin and Boaz (man and woman), the wisdom and love that must be balanced in our lives.
To learn more, read the chapter 9 of the book "The Wisdom of Quetzalcóatl"