Very interesting, thanks a lot for sharing! Yea, I also discovered some parallels to Hinduism and Buddhism, but did not dig deeper yet. But I‘ll check those texts out.
Hinduism and these texts are so vast and comprehensive that it would require a lifetime of an effort read them all. I'd suggest you to first go through this essay http://www.studiesincomparativereligion.com/public/articles/parallels_in_hindu_and_stoic_ethical_thought.aspx
And, then start with The Gita.
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Thanks a lot!!
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