For example, in schools we can use, elementary school, high school and post-secondary school. In the book, the number 3 is used to represent death. According to the aborigines everything is linked to death and magic apparently is what you learn before dying. Also, as explained above in the second to last quote, the idea of ​​the circle is used as a symbol to show the main idea of ​​everything returning to where it started just like a wheel, so when Xavier is still remembering Elijah and is still using morphine to remember him just as if he had been reborn