This confidential knowledge may never be explained to those who are not austere, or devoted, or engaged in devotional service, nor to one who is envious of Me.
this
by you
never
to one who is not austere
never
to one who is not a devotee
at any time
never
also
to one who is not engaged in devotional service
to be spoken
never
also
toward Me
anyone who
is envious.