https://mib-etc.blogspot.com/search?q=TNOR ,
https://the-intersection-point-of-reality.blogspot.com/search?q=TNOR ,
https://jfvrinfo.blogspot.com/search?q=TNOR
https://en.wikipedia.org/wiki/Allegory_of_the_Cave
https://en.wikipedia.org/wiki/Allegory_of_the_Cave#Summary
https://en.wikipedia.org/wiki/Allegory_of_the_Cave#Symbolism
https://www.thoughtco.com/the-allegory-of-the-cave-120330
https://faculty.washington.edu/smcohen/320/cave.htm
http://www.philosophyzer.com/the-allegory-of-the-cave-by-plato-summary-and-meaning/
https://web.stanford.edu/class/ihum40/cave.pdf
http://www.math.nus.edu.sg/~matlmc/Allegory_cave.pdf
https://yale.learningu.org/download/ca778ca3-7e93-4fa6-a03f-471e6f15028f/H2664_Allegory%20of%20the%20Cave%20.pdf
