Truly forgotten. I have read a number of works by Smith but never came across this one. Would be adding this to me reading-list.

On a side note, this sounds a lot like The Bhagvad Gita[1]. Is there a relationship between these two works, or is it just great minds thinking alike?

[1] https://en.wikipedia.org/wiki/Bhagavad_Gita#Karma_yoga

[EDIT]: Grammer