Thus spoke zarathustra is one of the fundamental fictional- poetic- philosophical work that should be read by everyone in the planet. Some influential High schools have included it in their curriculum.
I just came across in a podcast by Jordan Peterson that Dr. Carl jung had done a lecture series on TSZ.
Jung comes at TSZ from a psychological standpoint and essentially adds that in order to love others, we should first love ourselves. We love ourselves by integrating every part of ours. We become an integrated individual when we realise that everyone of us have a spark of the divine deeply inside, and all the worldly knowledge we acquire and actions we do are just to grasp at the divine.
Unfortunately we become our own worst enemies by sabotaging all our hardwork with impulsivity. We might think that by indulging in expedient actions we become happy, but we end up with personal shame. Just because we are ashamed of ourselves, we lash out at others like the meek passive snivelling snot nosed entitled children. Hedonism isnt the pathway to happiness.
The shortest pathway is to adopt responsiblity, confront suffering forthrightly & voluntarily in the pursuit of a worthy goal.
So many more knowledge bombs abound, do give it a read if youre a fan of TSZ.