The human path and its inspirations.

“Man is the measure of all things.” — Protagoras

“Man is the spirit of all living beings; Gu are the essence of Heaven and Earth.” — Reverend Insanity

To what extent does humanistic psychology/philosophy influence the Human Path in Reverend Insanity? I’m currently on chapter 1912. English isn’t my first language, but I couldn't shake this connection from my mind.