JMNT(i)
17 Pass along the notice (or: be announcing) to those rich (or: wealthy) within the present age (the current eon) to not be habitually high-minded (proud; arrogant; or: to ponder high things), neither to have put expectation upon, and thus rely on, the uncertainty (insecurity; non-evidence) of riches (or: wealth), but rather, upon God, the One continuously holding all things alongside for us (or: the One constantly offering and providing all thing to us) richly, unto [our] enjoyment (or: into beneficial participation; unto the obtaining of a portion to enjoy; [leading] into pleasure),
18 to be habitually energizing goodness and working at virtue (or: working profitably), to continue being rich in beautiful deeds (to continue wealthy in ideal actions and in union with fine works), to be liberal contributors (folks good with giving) – folks having the qualities of community and common existence (people who partner and are ready to share; folks who are fellow participants),
19 constantly securing and laying away in store for themselves (or: in themselves) a beautiful (fine; ideal) foundation, into the thing being about to be (or: unto [that which is] impending; = for the future), to the end that they can from Being (or: pertaining to essential existence) receive upon themselves things pertaining to the Life (or: so that in themselves they could lay hold upon the existing life; or: in order to lay claim to a way of being that is really life).