The most unexpected feedback that we have received was that the core emotion framework that we present, has very similar roots is an ancient mystical philosophy, called "Kabbalah".
Although our knowledge in Kabbalah is limited, we will provide the internet sources that have fair explanantions on the mystical sefirot, in order for the reader to decide if they are similar or the same like the core emotions of OptiCAPA.com.
References:
https://www.chabad.org/library/article_cdo/aid/361885/jewish/The-Sefirot.htm
https://www.chabad.org/kabbalah/article_cdo/aid/380812/jewish/Emanations-Interact.htm
https://www.chabad.org/library/article_cdo/aid/137112/jewish/Two-Systems-of-Ten-Sefirot.htm
https://www.youtube.com/watch?v=8_5FkA0rQ5k&pp=ygUMI3NpdGhzZWZpcm90
https://www.kabbalahempowerment.com/sparks-of-light-webinar-7-lower-sephirot/
https://www.reddit.com/r/Genshin_Lore/comments/qylchq/genshin_kabbalah_the_sefirot/?rdt=43126
https://blogs.timesofisrael.com/from-the-chaotic-to-the-sefirotic/
Everything is already inside there!