[Although] their talk is big, what they say is worthless, and by [offering people] fleshly desires [i.e., sexual gratification], they lead people astray, who are barely escaping from the error of the world.

to remember the words spoken to you in the past by the holy prophets, and what the Lord and Savior commanded you through your apostles.

Since all these things are [certain] to be destroyed, what kind of persons should you be, [if not like those] living holy lives, and in a godly manner,