2 Peter 1:10-15
10 “Therefore, brothers and sisters, be all the more diligent to make certain about His calling and choice of you; for as long as you practice these things, you will never stumble; 11 for in this way the entrance into the eternal kingdom of our Lord and Savior Jesus Christ will be abundantly supplied to you.12 Therefore, I will always be ready to remind you of these things, even though you already know them and have been established in the truth which is present with you. 13 I consider it right, as long as I am in this earthly dwelling, to stir you up by way of reminder, 14 knowing that the laying aside of my earthly dwelling is imminent, as also our Lord Jesus Christ has made clear to me. 15 And I will also be diligent that at any time after my departure you will be able to call these things to mind.”
Never stumble: This is not an encouragement for Christians to doubt whether or not they are true believers. This is a behavior verse. Peter wants Christians to embody their identity through behavior that is consistent with their righteousness in Christ.
Eternal kingdom: Peter, while potentially referencing Heaven, is more likely speaking about the kingdom being actively supplied to us in the present. God’s kingdom has come in Christ, and we can participate in it through behavior that is fitting with our identity in Christ.
Always remind: Believers know the truth of the Gospel, but we need to be continuously reminded of the grace of God. We need to be reminded of our forgiveness, newness and closeness to God. Peter made it his mission to remind the church of the Gospel so that they could recall truth whenever needed, even after his death. This is especially pertinent in the midst of the false teachings they were encountering.