Though its a stretched formula, let us approach to derive.

1. Its within us, Athma or Soul of any individual is pure inert,
all we must do is to keep it always clean, outside world
is illusion. (Advaidha theory).
There is Dvaidha theory also, I don't want to go further now.

2. I have seen few farmers decades ago, received me
with innocent smile, not known about unhappiness,
except health problem, that too they took it casually.
He derived life span, to work, enjoy nature, as
their forefathers did.


......will continue to derive.