Magick has rules my friend. It has magickal divine laws in which cannot be broken, because they are not rules, but much rather paradigms in which the universal energies interact with the world, and everything in it. There are so many things to know about magick, because there are so many different ways you can use these laws to manifest your will, and desires upon the planes of existences. Techniques, skills, methods, and even whole systems from various different cultures, traditions, people, beliefs, and world views have formed a huge assortment of different things to learn about magick. There will always be more to learn, because data is infinite, and we have not even scratched the surface of all that we could probably use magick for.