The thing is, there's no thing as such as a "scientific technique" when it comes for magic, besides "scientific" aesthetics perhaps. Science it's not about proving things or what's possible necessarily, but about observing and cataloging recurrent phenomenons across "our physical world" in order to facilitate decision making and predictions; but matters of solutions to problems lies in the endevour of engineering, and when it comes to magic, you can reverse engineer its processes and understand how it could work. It also can involve thinking about yourself and your world in relation to that in a different way, which makes conceding of changes more easily.
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posts give some excellent pointers on the matter.
I also struggled at the beginning for a while to understand how all this stuff could even work, and absorbing the idea of a dream-like universe cut trough it completely. Besides, it also involve to recognize that your imagination is the fountainhead of all this stuff, because important part of magic is bringing imagination to life, and exploring perspectives. Think about it: If you entered a lucid dreaming, asserted it as your baseline world, and never came back, what would happen? I would say that the most important part for me was self validating this stuff for myself first, and doing low effort sessions to get the momentum going. Here's some helpful sources which provides great explanations of adopting a philosophical mindset tied in with magic:
- The now inactive forum was what got me into magic at first. It posits the idea of perceiving the world as your own dream-like structure as a basis for your practice.
- is also another inactive place with great pointers by community, focusing more heavily on the basic philosophical ideas of a purely subjective world.
- Lastly, by metaphysical author John Paolucci is particularly great in providing you the information to confirm by yourself about your true self, and how this realization gives you the conviction necessary to practice magic without the burden of any "external proof" beyond your own knowledge.
Most of this stuff, you would notice, unite philosophy and magic, and are mainly founded on nondualism at the core, but you actually only need to understand the actual "background" of the situation, and then go ahead, which provides the logic behind the ideas, so it makes sense as you go along. Lastly,
by this guy gives a lot of information, including in creating syncronicities and a template for magickal rituals, as well as further simple explanations of those FAQs that tend to arise when contemplating magic while having the materialistic conditioning debris get in the way. This is at least the stuff that helped me ultimately, so i hope it can also serve someone else along their own paths, providing the remaining information to fill the gaps.