Don't Sweat the Big Stuff
If everything in your quest for remembrance, understanding and enlightenment seems to be getting very complicated and it seems like to really need to dig deeper and you start going down six different rabbit holes a day...Stop! Consider this your sign from the Universe that you are going in the wrong direction. Your journey should flow effortlessly into enlightenment. Any time you start to hit road blocks or experience conflicting information from multiple "learned" sources, it is the Universe communicating with you, telling you to back up a bit and simplify your approach.
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Don't get bogged down in the minutiae. Even if said minutiae seems absolutely vital. If a doctor were studying vision, he would not necessarily need to dig deep into the cardiovascular or respiratory systems functionality. He just needs to know they are working properly and the eyes are getting the blood flow, oxygen, etc. that they need. That way he can focus on his study of vision (pun intended) without distraction.