I'm confident that if you sincerely ponder on questions such as ..
Who am I .. A host for billions of bacteria and if I unravel my dna it will orbit around the sun and earth 69 times. With genetic imperfections from history of generations. If scientists don't have much of a clue then how can I? But.....I have a personality and would present as a multi spectrum disorder to anybody trying to guess who I am.
Where am I .. On a tiny speck of dust in the cosmos that at one time wasn't here, then appeared and at some time it will disappear like it was never even here at all. And I'm on the edge of time, delayed at about 40klms per second, tapping my foot. With all my friends and family. Visible and invisible.
What's for lunch. Was multigrain bread on a sandwich press topped with tasty cheese, mozzerrella, olives, mushroom, chorizo salami and dried oregano.
In relation to principals such as "Know Thyself."
Whoever you imagine yourself to be plus many things you have no clue about. Sigh!
and "As above, so below."
I'm in Australia so above is below. How can you possibly know if you are below or above on this tiny speck of dust in the cosmos? It's a state of being.