also, &c. = in all his epistles also.
speaking. App-121.7.
some. App-124. (neut).
hard, &c. Greek. dusnoetos. Only here.
unlearned. Greek. amathes. Only here. Compare Acts 4:13. 1Co 14:16. 2 Timothy 2:23.
unstable. See 2 Peter 2:14.
wrest. Greek. strebloo. Only here and in Septuagint of 2 Samuel 22:27 (m. wrestle). It means to strain or twist, and so to torture. Occurs in Apocrypha.
also, &c. = the other (App-124.) Scriptures also. Note that St. Paul's epistles are called "Scripture".
unto. App-104.
destruction. Same as "perdition", 2 Peter 3:7.