JMNT(i)
15 But I will also continue earnestly hastening (or: quickly endeavoring) to always have you, after my departure (exodus; a road out; = death), to continually make mention (or: make the recollection) of these things.
16 For we did (or: do) not experientially or intimately make known to you the power and presence (or: ability and [the] being alongside; parousia) of our Lord, Jesus Christ, by following forth in (or: by) wisely made myths (or: in being made wise by myths or fables; or: with fables modified by wisdom; or: to cleverly crafted stories), but rather, [from] becoming (or: being made to be; being birthed) eyewitnesses (onlookers; spectators) of that One's magnificence (or: of that greatness):