Peter wrote this epistle, as he did 1 Peter, to establish believers in their faith. He wrote both letters in obedience to Jesus' instructions to him to "strengthen your brothers"(Luke 22:32). Both epistles contain reminders of fundamental Christian teaching. Both evidently went to the same audience (2 Pet. 3:1). Both deal with how to handle various kinds of trials among other things, suffering in 1 Peter and false teachers in 2 Peter. Both also emphasize God's grace.
The differences between these two epistles are also significant.
The first epistle ends, "Stand firm in it [grace]"(5:12). Its theme is the sufficiency of God's grace. We need to stand fast in grace as Christians.
The second epistle ends, "Grow in grace"(3:18). Its theme is the responsibility of grace. We also need to keep growing in grace. This letter builds on the first. We do not only need to stand fast in grace, but we also need to keep growing in it.
We could state the message of the book therefore as follows: fulfill your responsibilities as recipients of the true grace of God. The message of 1 Peter was, "Stand firm in the true grace of God."
Let me identify the major revelations of this letter.
First, as recipients of God's grace we have resources that create responsibilities. Peter emphasized two of our resources.
Our first resource is the power of God (1:3). God's power grants us everything we need for godly living. Godly living becomes possible when we come to know God by saving faith. We grow in our knowledge of God as we get to know Him better through study of the Scriptures. We also do so as we respond to our increasing knowledge of Him properly by abiding in Him.
One area of life that God's power transforms is our spiritual vitality, energy. God wants us to be vital Christians (John 10:10; cf. James). The opposite condition is to have no spiritual energy. God's power enables us to demonstrate His own "glory"by giving us spiritual vitality (1:3). Peter saw the glory of God manifested through Jesus Christ on the Mount of Transfiguration (1:17). God wants to manifest His glory through every Christian (3:18). People can see God's glory in our spiritual vitality. The clearest illustration of spiritual vitality is Jesus Christ during His earthly ministry.
Another area of life that God's power transforms is our conduct, more specifically. By conduct I mean how we conduct ourselves in thought, word, and deed--what we do, and what we do not do. God wants us to be godly Christians as well as glorious Christians. He wants us to be virtuous as well as vital. The opposite condition is ungodly and unclean. The false teachers reflected the opposite condition, and Peter described their conduct quite fully in chapter 2. God's power enables us to demonstrate His own "excellence"by making us godly (1:3). Peter heard the excellence of God testified to on the Mount of Transfiguration when he heard God say of Jesus Christ, "This is my beloved Son in whom I am well pleased."(Cf. 1:17-18). God wants to manifest His excellence through every Christian (cf. 1 Pet. 2:9). People can see God's excellence in our godly conduct.
The second resource Peter emphasized that every Christian has is the promises of God (1:4). God's promises grant us everything we need to realize our potential and to maintain our purity in godly living. These promises are "magnificent"because they are essentially great and wonderful. They are "precious"to us because they are gifts of our loving heavenly Father and because they are the keys to our realizing our potential and maintaining our purity.
One area of life that God's promises transforms is our character. God wants us to partake of His nature. We receive His nature (i.e., the Holy Spirit) initially when we believe His promise that Christ died for our sins. However, He wants us to partake of that nature fully in this life. When we do so, we realize our potential as the children of God. We do so by continuing to believe God's promises to us. As we began the Christian life by faith, we should continue to walk by faith (cf. James). Because the false teachers rejected the promises of God they failed to realize their potential as human beings. They did not become partakers of the divine nature.
Another area of life that God's promises transforms is, more specifically, our morality. Again we receive future deliverance from the penalty of sin by believing that Christ died for our sins. Nevertheless we also receive present deliverance from the power of sin by believing other of God's promises to us. For example, God promises us that sin will no longer have enslaving power over us (Rom. 6:14; cf. 1 Pet. 4:11; 5:11). He also promises us that He will give us a way of escape in temptation (1 Cor. 10:13). He also promises us that He will give us the desire and the ability to obey Him (Phil. 1:6). One of the promises that Peter emphasized especially in this epistle was the promise that Jesus Christ would return (3:4, 9, 13). He discussed this promise in 3:4-16. When Christ returns He will perfect us. God has given us many more promises. Relying on these is key to maintaining our purity as Christians. Because the false teachers rejected the promises of God, they failed to maintain moral purity. They did not escape the corruption that is in the world through lust.
These then are the resources that create our responsibility: God's power within us, and God's promises in His Word. You can succeed in life and in ministry because you have these resources.
Next let us notice what Peter appealed to his readers to do in view of their resources. He called them to give diligence to two things.
First, we should diligently appropriate our resources (1:5-8). We do this be responding responsibly. We must respond by fulfilling our responsibility as well as by trusting God to fulfill His. We must exercise effort and self-discipline to develop qualities God wants to perfect within us (1:5-8). No one can become a strong Christian without self-discipline.
Second, we should diligently avoid our perils. We do this by remembering God's promises (1:9, 12-13; 3:1-2). Our tendency is to forget God's power and our responsibilities (1:9; 3:5). Our tendency is also to forget God's promises (3:4). Peter's concern was mainly that his readers not forget the promise of the Lord's return (3:9, 13). This promise should affect us by encouraging us to live pure lives (3:14). Because the false teachers chose to forget it, they failed to fulfill the responsibilities of God's grace. Scripture memorization and review are valuable activities because they help us remember God's promises.
These are the major revelations in the book. As recipients of God's grace we have resources that create responsibilities, namely God's power and promises. We also need to give diligence to our responsibilities of responding to God's power and remembering God's promises.
I would also like to point out some applications of this epistle's message to our lives.
First, God's resources do not free us from responsibility to cultivate godliness diligently. They increase that responsibility. The Christian life is a combination of trusting and toiling. We must balance these things. When we neglect either responsibility, we get into trouble (1:5). We are partners with God.
Our sanctification is a process in which we labor together with God.
We are responsible to trust and to obey, to exercise faith in God and to work. We frustrate the Holy Spirit's work of sanctifying us if we do not trust or if we do not obey. The Christian life is a lot like water skiing. We have to lean back and let God pull us out of the stuff that holds us down. However we also have to hold on to the rope, to keep following His leading. When we do both things He enables us to overcome. We can even fly over what formerly held us in its clutches.
Second, we should cultivate habits that will help us remember our resources: God's power and promises. One of the most important reasons we should read our Bibles regularly is that they remind us of things we need to remember. The same is true of memorizing Scripture, attending church services, and having fellowship with other Christians. Peter said it isbetter not to know Scripture than to forget it (2:21).
Third, God intended the promise of the Lord's return and the events that will follow to be important motivations for us. This is our hope. If we neglect the prophetic portions of Scripture, our motivation for godly living will sag (3:14).
