NET
16 speaking of these things in all his letters. Some things in these letters are hard to understand, things the ignorant and unstable twist to their own destruction, as they also do to the rest of the scriptures.
Darby
16 as also in all [his] epistles, speaking in them of these things; among which some things are hard to be understood, which the untaught and ill-established wrest, as also the other scriptures, to their own destruction.
KJV
16 As also in all [his] epistles, speaking in them of these things; in which are some things hard to be understood, which they that are unlearned and unstable wrest, as [they do] also the other scriptures, unto their own destruction.