Truth always needs repetition because believers forget so easily. (Do you not remember that when I was still with you I told you these things? ~ 2 Thessalonians 2:5); (Now I want to remind you, although you once fully knew it, that Jesus, who saved a people out of the land of Egypt, afterward destroyed those who did not believe. ~ Jude 1:5)
In 2 Peter, Satan is a serpent seeking to deceive (see John 8:44-45). False teaching from within the church is far more dangerous than persecution from without (see Acts 20:28-32). Persecution has always cleansed and strengthened the church; false teaching weakens the church and ruins its testimony. The only weapon to fight false teaching and the devil’s lies is the Word of God, which is why Peter emphasizes spiritual knowledge.
Read more